1. Back Exponential Functions Graded Quiz 30 min. 10 total points Let f(x) = O increasing (}) O decreasing . Is f(x) increasing or decreasing? 2. Let f (x) = (22 (00'00-) O 2-2 2)(2-4) O(-, 2) U (2, 4) U (4, ) (,1) U (1, 2) U (2,) (-,0) U (0, 1) U (1, ) (2,00) . Find the domain of f(x). 3. Let g(x)=3-5-. Find the range of g(x). (-,0) (5,00) (-0,3) (-0,2) (0,) (3,00) Due Sep 18, 11:59 PM WIB 1 point 1 point 1 point 4. Let f (x) = 3e + 1. Find the difference quotient, f(x + h) f(x) 1 point h 5. 6. 3e (eh - 1) h 3e2h h 3e2(eh - 1) h 3e (1 - eh) h Let y(x) = -eit 2x Is y(x) an even function or an odd function? even odd neither even nor odd 1 point C (A) + 2. What is the y-intercept of f(x)? 1 point Let f (x) = (0,1) 000 (0,3) The graph has no y-intercept. (0,0) (0, 1) 7. Let h(x) = 3 - 3. What is the x-intercept of h(x)? (1,0) (-3,0) The graph has no a-intercept. (3,0) (0,0) 8. The function f(x) has the form f(x) = 2k, where k is a constant. If the point (-12, 8) is on the graph of (x), what is the value of k? Enter answer here 9. What is the range of y = e? (-00,00) (0,) [1,00) (1,00) [0,) 10. What is the domain of f(x) (2,00) O (-0,2) U (2,) (-, 1/2) U (1/2,) (-00,00) (-,0) U (0,) (1/2,) Upgrade to submit 4 162 1 point 1 point 1 point 1 point Function Basics Back Graded Quiz. 30 min. 10 total points 1. Suppose f(x) = 3x 1. Write and simplify an expression for (x+2). Of(x+2)=3x+12x+11 O f(x+2)=3x + 11 O f(x+2)=3x+1 Of(x+2)=3x+4x+3 2. In which of the following expressions is y a function of ? Select all that apply. 2xy +1 = 7 C = 5 x - y = y x - y = 1 (x 1) = 2 y 3. The function y(x) is graphed below. For all in its domain, y(x) = Write the domain of y(x) in interval notation. 4. -3- 2 -3 -2 0 2 O [1,3.25) (-00,00) O [-3,2] (1,3.25) (-3,2) (-3,2] x2 4 +1. x2 The function y(x) is graphed below. For all in its domain, y(x) = 4 + 1. Find the range of y(x) in interval notation. -2.5 [1, 3.25] O (-3,2] (-00,00) (-3,2) [1,3.25) (1,3.25) 5 3.75- 2.5- 1.25- -1.25 0 1.25 Due Sep 4, 11:59 PM WIB 1 point 1 point 1 point 1 point 5. The function y(x) is graphed below. Find the interval (of x-values) where y(x) is increasing. 1 point Q 3 (0,2) (-3,0) (-3,2) (1,2) (00'00-) 0 2 0 6. The function y(x) is graphed below. Find the interval (of x-values) where y(x) is decreasing. Use interval notation to write your answer. Q -3 2 -3 -2 0 2 (-00,00) (1,3.2) (-3,2) (0,2) (-3,0) 7. The function y(x) is graphed below. Use the graph to find y(2). Enter a number only. If your answer is not a whole number, write it as a decimal. Q -3 2 -3 -2 0 2 Enter answer here 8. x 1 The function k is defined as k(x) = +3 Compute k(-4). Enter a number only. If your answer is not a whole number, write it as a decimal. Enter answer here 9. Leta(x) = x - 1 Find the domain of a (x) in interval notation. (-00,00) (,1)U (1,0) (-, 1) U (1,0) (x, 1) U (1,) (,1) U (1, 1) U (1,) x + 3y 10. (x, y, z) = Z Find f(7,3,4). Enter a number only. If your answer is not a whole number, write it as a decimal. Enter answer here Upgrade to submit 1 point 1 point 1 point 1 point 1 point