Chapter 10.3, Problem 37E

VoWiFi 2 ll N 36 I 6:11 SUMMATIVE ASSESSMENT Multiple Choice. Choose the letter of the best answer. 1. What should be the value of n in f(x) = x" if f(x) is a polynomial function? A. an integer B. a non-negative integer C. any number except 0 D. any rational number 2. Which of the following is not a polynomial function? A. f(x) = V7x В. f(x) —D —х3 — х +1 C. f(x) = 4x³ +x D. f(x) — 4x - 2х-5 3. What is the leading coefficient of g(x) = 8x – 5x7 + x4? А. -5 %3D В. -3 С. 4 D. 8 4. How should the polynomial function f(x) = -x + 2x³ + 3x5 – 6 be written in standard form? А. f(x) 3D 2x3 —х + 3x5 — 6 B. f(x) = -x + 2x3 + 3x5 – 6 С. f (x) 3 Зх5 + 2x3 — х — 6 D. f(x) — Зx5 + 2х3 + х — 6 5. What are the x-intercepts in the given graph (Figure 1)? А. X%3D-1, 1 В. х%3D-1, -1 C. x = 1 Figure 1 D. x = -1 :1 2 6. In Figure 1, which of the following is the y- intercept? А. -2 В. О С. 1 D. 2 -2 7. Which of the following could be the graph of g(x) = x³ + 2x² + 1? A. C. D. 25 City of Good Character…

Q7 Operations on functions Unanswered • 3 attempts left Let f(x) = 4x + 2 and g(x) = x + 3 . Find each function. Enter each expression without any blank spaces. a. (f+ g)(x) : b. (f – g)(x) = Submit Q8 Operations on functions Unanswered • 3 attempts left Let f(x) = 8 – 8x and g(x) = -3x + 8 . Find each function. Enter each expression without any blank spaces. a. (f+ g)(x) : b. (f – g)(x) : A Submit