NEED HELP WITH SCREENSHOTS #1 THROUGH #9! Please number them as I have so that so I know exactly where your solutions belong. ALSO: MAKE SURE TO ANSWER ALL PARTS! A lot of these problems have multiple parts, so please be sure to answer them fully! THANK YOU!!!!
Use substitution to find the indefinite integral (V14 + 7:) (413 + 7)at. . . . . . ( ( + 71 ) (41 3 + 7 ) dt = Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help Clear All Check Answer2 The marginal revenue (in thousands of dollars) from the sale of x gadgets is given by the following function. 2 R'(x) = 4x (x2 + 30,000) a. Find the total revenue function if the revenue from 120 gadgets is $12,461. b. How many gadgets must be sold for a revenue of at least $40,000? a. The total revenue function is R(x) = :1, given that the revenue from 120 gadgets is $12,461. (Round to the nearest integer as needed.) Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help A Clear All , Check Answer 3 Let f(x) = 3x + 9, X1 = 2, X2 = 5, X3 = 8, X4 = 11, and Ax = 3. (a) Find _ f (x;) Ax. =1 (b) The sum in part (a) approximates a definite integral using rectangles. The height of each rectangle is given by the value of the function at the left endpoint. Write the definite integral that the sum approximates. (a) [ f ( x ; ) Ax = [ i=1 (Simplify your answer.) Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help Clear All Check Answer4 Approximate the area under the graph of f(x) and above the xaxis with rectangles, using the following methods with n = 4. f(x)= -x2 +13 fromx= -2 tox=2 (a) Use left endpoints. (b) Use right endpoints. (0) Average the answers in parts (a) and (b) (d) Use midpoints. (a) The area, approximated using the left endpoints, is :1. Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help A Clear All Check Answer 5 Approximate the area under the graph of f(x) and above the xaxis with rectangles, using the following methods with n = 4. f(x)=e"+1 fromx=2tox=2 (a) Use left endpoints. (b) Use right endpoints. (0) Average the answers in parts (a) and (b) (d) Use midpoints. The area, approximated using the left endpoints. is (Round to two decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help A Clear All Check Answer 6 Approximate the area under the graph of 2 too and above the xaxis with rectangles, f(x) = + 2, from x = 1 to x = 9 using the following methods with n = 4. x (8) Use left endpoints. (b) Use right endpoints. (0) Average the answers in parts (a) and (b) (d) Use midpoints. The area, approximated using the left endpoints, is (Round to two decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help A Clear All Check Answer 7 Consider the region below f(x) = (9 x), above the x-axis, and between x= 0 and x= 9. Let xi be the midpoint of the ith subinterval. Complete parts a. and b. below. a. Approximate the area of the region using nine rectangles. Use the midpoints of each subinterval for the heights of the rectangles. The area is approximately square units. (Type an integer or decimal.) Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help A Clear All Check Answer 8 Find the exact value of the integral using formulas from geometry. 0 IJ16x2dx 4 JJ16x2dx=D (Type an exact answer, using 1: as needed.) Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help A Clear All Check Answer 9 The graph shows the number of fatal automobile accidents in a certain state for various years. Estimate the total number of accidents in the 8-year period from 2000 to 2008 using rectangles of width 2 years. Estimate the number of fatal accidents using left endpoints. D Enter your answer in the answer box and then click Check Answer. Help Me Solve This View an Example Get More Help A @@ E g 2 .Q .2 E .72 (E L 2000 2002 2004 2006 2008 Year Clear All Check
