All Matches
Solution Library
Expert Answer
Textbooks
Search Textbook questions, tutors and Books
Oops, something went wrong!
Change your search query and then try again
Toggle navigation
FREE Trial
S
Books
FREE
Tutors
Study Help
Expert Questions
Accounting
General Management
Mathematics
Finance
Organizational Behaviour
Law
Physics
Operating System
Management Leadership
Sociology
Programming
Marketing
Database
Computer Network
Economics
Textbooks Solutions
Accounting
Managerial Accounting
Management Leadership
Cost Accounting
Statistics
Business Law
Corporate Finance
Finance
Economics
Auditing
Hire a Tutor
AI Study Help
New
Search
Search
Sign In
Register
study help
mathematics
calculus 4th
Questions and Answers of
Calculus 4th
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
Find the left- and right-hand limits of the function ƒ in Figure 1 at x = 0, 2, 4. State whether ƒ is left- or right continuous (or both) at these points. 2 y 2 3 5 X
Sketch the graph of a function ƒ such that (a) lim f(x) = 1, x-2- lim f(x) = 3 X→2+ (b) lim f(x) exists but does not equal ƒ(4). X-4
Graph h and describe the discontinuity:Is h left- or right-continuous? h(x) = 2.x for x ≤ 0 (x1/2 for x>0
Sketch the graph of a function g such that lim g(x) = ∞0, x--3- lim g(x) = -00, X-3+ lim g(x) = ∞ X-4
Find the points of discontinuity ofDetermine the type of discontinuity and whether g is left- or right-continuous. g(x) = COS TX 2 |x-1| for |x| < 1 for x ≥ 1
Find a constant b such that h is continuous at x = 2, whereWith this choice of b, find all points of discontinuity. h(x) = √x+1 b-x² for x < 2 for x ≥ 2
In Exercises 57–64, find the horizontal asymptotes of the function by computing the limits at infinity. f(x) = 9x² - 4 2x² - x
In Exercises 57–64, find the horizontal asymptotes of the function by computing the limits at infinity. f(x) = x²-3x4 x-1
In Exercises 57–64, find the horizontal asymptotes of the function by computing the limits at infinity. f(u) = 2u² - 1 √6 + uª
In Exercises 57–64, find the horizontal asymptotes of the function by computing the limits at infinity. f(x) = 3x2/3 +9x3/7 7x4/5 - 4x-1/3
In Exercises 57–64, find the horizontal asymptotes of the function by computing the limits at infinity. f(t) = 1/3-1/3 (t-t-1)1/3
In Exercises 57–64, find the horizontal asymptotes of the function by computing the limits at infinity. f(t) = = 17 1+2¹
Calculate (a)–(d), assuming that (a) lim(f(x) - 2g(x)) X-3 f(x) x-3 g(x) + X (c) lim lim f(x) = 6, x-3 lim g(x) = 4 X-3 (b) lim x² f(x) x→3 (d) lim(2g(x)³ - g(x)³¹/2)
In Exercises 57–64, find the horizontal asymptotes of the function by computing the limits at infinity. g(x) = 6 1-32x
Assume that the following limits exist:Prove that if L = 1, then A = B. You cannot use the Quotient Law if B = 0, so apply the Product Law to L and B instead. A = lim f(x), x→a B = lim
In the notation of Exercise 66, give an example where L exists but neither A nor B exists.Data From Exercise 66Assume that the following limits exist:Prove that if L = 1, then A = B. You cannot use
True or false? (a) If lim f(x) exists, then lim f(x) = f(3). x-3 X-3 f(x) (b) If lim: = 1, then f(0) = 0. X 1 1 = x→→7 f(x) 8 (c) If lim f(x) = 8, then lim X-7' (d) If lim f(x) = 4 and lim f(x) =
Let r1 and r2 be the roots of ƒ(x) = ax2 − 2x + 20. Observe that ƒ “approaches” the linear function L(x) = −2x + 20 as a → 0. Because r = 10 is the unique root of L, we might expect one
Use the IVT to prove that has a root in the interval [0, 2]. f(x) = x³- x² + 2 cos x + 2
Use the IVT to prove that the curves y = x2 and y = cos x intersect.
Give an example of a (discontinuous) function that does not satisfy the conclusion of the IVT on [−1, 1]. Then show that the functionsatisfies the conclusion of the IVT on every interval [−a, a].
Use the IVT to show that 2−x2 = x has a solution on (0, 1).
Let (a) Show that if |x − 2| Observe that if |x − 2| 12.(b) Find δ > 0 such that if |x − 2| (c) Prove rigorously that f(x) = 1 x + 2
Use the Bisection Method to locate a solution of x2 − 7 = 0 to two decimal places.
Plot the function ƒ(x) = x1/3. Use the zoom feature to find a δ > 0 such that if |x − 8| < δ, then |x1/3 − 2| < 0.05.
Prove rigorously that lim (4 + 8x) = -4. X→-1
Use the fact that ƒ(x) = 2x is increasing to find a value of δ such that |2x − 8| < 0.001 if |x − 2| < δ. Find c1 and c2 such that 7.999 < ƒ(c1) < ƒ (c2) < 8.001.
Prove rigorously that lim(x²-x) = 6. x→3
In Exercises 37–42, calculate the limit. lim 1-→-00 4+52t 5-53
Physicists have observed that Einstein’s theory of special relativity reduces to Newtonian mechanics in the limit as c → ∞, where c is the speed of light. This is illustrated by a stone tossed
According to the Michaelis–Menten equation, when an enzyme is combined with a substrate of concentration s (in millimolars), the reaction rate (in micromolars/min) is(a) Show, by computing that A
Every limit as x → ∞ can be rewritten as a one-sided limit as t → 0+, where t = x−1. Setting g(t) = ƒ(t−1), we haveShow that and evaluate using the Quotient Law. lim f(x) = lim
Rewrite the following as one-sided limits as in Exercise 46 and evaluate.Data From Exercise 46Every limit as x → ∞ can be rewritten as a one-sided limit as t → 0+, where t = x−1. Setting
Show that Observe that lim (√x² + 1 - x) = 0. X→∞
In Exercises 37–42, calculate the limit. lim(√4x4 + 9x - 2.x²) X-00
In Exercises 37–42, calculate the limit. lim (√9x³ + x - x³/2) X→∞0
In Exercises 37–42, calculate the limit. lim (2√x - √x + 2) X-00
In Exercises 37–42, calculate the limit. lim X 00+x 1 x + 2
In Exercises 37–42, calculate the limit. lim |x x + x 1 I + X ∞0-+x
In Exercises 7–16, prove using the IVT.For all positive integers k, cos x = xk has a solution.
Plot ƒ(x) = √2x − 1 together with the horizontal lines y = 2.9 and y = 3.1. Use this plot to find a value of δ > 0 such that if 0 < |x − 5| < δ, then |√2x − 1 − 3| < 0.1.
In Exercises 7–16, evaluate the limit. 9x²-2 lim X→∞06-29x
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 7–16, prove using the IVT.2x = bx has a solution if b > 2.
Plot ƒ(x) = tan x together with the horizontal lines y = 0.99 and y = 1.01. Use this plot to find a value of δ > 0 such that if 0 < Ιx − π/4Ι < δ, then |tan x − 1| < 0.01.
In Exercises 7–16, evaluate the limit. lim x-00 7x²-9 4x +3
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 7–16, prove using the IVT.2x + 3x = 4x has a solution.
The function Use a plot of ƒ to find a value of δ > 0 such that |ƒ(x) − 1| f(x) = 2x² satisfies lim f(x) = 1. X-0
Let and ∈ = 0.5. Using a plot of ƒ, find a value of δ > 0 such that if then Repeat for ∈ = 0.2 and 0.1. f(x) = 4 x² + 1
In Exercises 7–16, evaluate the limit. lim X→→∞0 5r-9 4x³ + 2x + 7
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 7–16, prove using the IVT.cos x = tan 2x has a solution in (0, 1).
In Exercises 7–16, evaluate the limit. lim X→-00 3x²³ - 10 x + 4
Consider (a) Show that if |x − 2| Then explain why this proves that 1 lim x→2 X
Verify each limit using the limit definition. For example, in Exercise 13, show that |3x − 12| can be made as small as desired by taking x close to 4. lim(5x + 2) = 17
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 7–16, prove using the IVT.2x + 1/x = −4 has a solution.
Consider (a) Show that if |x − 1| 2.(b) Find δ > 0 such that if 0 (c) Prove rigorously that the limit is equal to 2. lim √x + 3. X→1
In Exercises 7–16, evaluate the limit. lim X--8 2x + 3x431x 8x431x² + 12
Verify each limit using the limit definition. For example, in Exercise 13, show that |3x − 12| can be made as small as desired by taking x close to 4. lim(7x - 4) = 10 x-2
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 7–16, prove using the IVT.x1/3 = 1/(x − 1) has a solution in (1, 2).
Let ƒ(x) = sin x. Using a calculator, we findUse these values and the fact that f is increasing on to justify the statementThen draw a figure like Figure 3 to illustrate this statement. ƒ (7 -0.1)
In Exercises 17–24, find the horizontal asymptotes. f(x) = 2x² - 3x 8x2 + 8
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
Use the Intermediate Value Theorem to show that the equation x6 − 8x4 + 10x2 − 1 = 0 has at least six distinct solutions.
In Exercises 17–24, find the horizontal asymptotes. f(x) = 8x³x² 7+11x - 4x4
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
In Exercises 18–20, determine whether or not the IVT applies to show that the given function takes on all values between ƒ(a) and ƒ(b) for x ∈ (a, b). If it does not apply, determine any values
In Exercises 17–24, find the horizontal asymptotes. f(x) = √36x² +7 9x + 4
In Exercises 11–50, evaluate the limit if it exists. If not, determine whether the one-sided limits exist. For limits that don’t exist indicate whether they can be expressed as “= −∞” or
Showing 7600 - 7700
of 8344
First
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84