Chapter 2.2, Problem 55E

Formal Definition f x = x = -x, x 0 Graph f x = x and state its characteristics. A

and radical) What I Know Multiple Choice. Directions: Encircle the letter of the correct answer. 1. Which mathematical expression corresponds to the statement "the limits of the function x2 + 2 as x approaches to 3 is equal to 11"? C. lim (x2 + 2) = 11 x →3 А. lim (x2 + 2) = 11 D. lim (x² – 2) = 11 x -3 X--3 В. lim (x2-2) = -11 x--3 2. Which function becomes undefined? f(x) = 0 C. f(x) = L D. f(x) = ; b= 0 А. В. X = c 3. What is the value of m(x² - 3x +4)? А. С. 2 В. D. 1 4. Which of the following denotes the definition of limit of a function? А. lim f(x) = L C. x approaches c as L В. f(x) approaches L D. lim f (x) = x 5. Graphing the limit of the f(x) = 1 %3D as x approaches to zero, which statement is correct? A. The limit of the function is equal to zero. B. The limit of the function does not exist.

Looking at the graph of f(x), determine the following below. Show your work. Assume ends of the graph continue. 10- |(0, 8) (0.189, 8.096) -5 G (-2, 0) (1.702, 0) 10 (-3.,523, –4.689) a. Location(s) where f "(x) < 0 b. Location(s) where f'(x) has a minimum c. Sign (positive/negative/zero) of f"(x) at Point G d. Sign (positive/negative/zero) of f '(x) at Point F