DO NOT WRITE ON THIS E LEXAM Exam Form A Linear and Exponential Functions 7. Jane prefers to save money by putting $100 in an investment account in which her balance increases by 10% every year. Lily prefers to save her money by keeping $100 dollars in her mattress, adding $10 to it each year. Which of the following statements is true? a. The functions modeled by Jane's and Lily's savings both represent exponential growth b. The graph of Lily's grows more quickly over time. c. The function modeled by Jane's savings has a multiplicative rate of change, while Lily's shows an additive Per rate of change. d. Both functions model increasing functions. e. Both C and D are true 1. For 8-9, use the graphs of f (x) and g(x) f ( x ) 8. Which of the following statements is completely true? 2. a. f(x) = 2() b. f (x) is decreasing I ( x ) 3 c. g(x) = f(x) when x = 2 d. f(x) and g (x) have the same range because they 4. are both functions e. g (x) = -=x+2 5. 6. 9. Over what interval(s) is f (x) 2 g(x) a. (-00, 2) b. (-00, 2 ] C. (0, 00) d. (-0o, 0] e. [0, 00) x 0 x 50 x 20 Rigid Transformations 10. What is the length of a line segment whose endpoints are (-2, -5) and (-1, 0)? a. V18 b. V24 C. V26 d. V30 e. V34 1 1. Point K is located at (-3,4). What are the coordinates of K' after a reflection over the x-axis? a. (4, -3) b. (-4 , - 3 ) C. (-3, -4) d. (3, -4) e. (3, 4 )