1. The graph of a function is given. Decide whether it is even, odd, or neither. 9. Find the domain of the function f(x) = 7 - x. a. {x|x 7} b. {x|x 7} c. {x|x 7} d. {x|x 7} 10. Determine the slope and y-intercept of the function F(x) = x/4. a. m = 0; b = 1/4 b. m = 1/4; b = 0 c. m = 4; b =0 d. m = -1/4; b = 0 11. The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the interval (-6, -2.5). a. increasing b. decreasing c. constant 13. Determine the average rate of change for the function p(x) = -x + 3. a. 3 b. -3 c. -1 d. 1 14. Determine algebraically whether f(x) = 1/x2 is even, odd, or neither. a. even b. odd c. neither 16. Find -f(x) when f(x) = -2x2 + 5x + 2. a. 2x2 - 5x + 2 b. -2x2 - 5x - 2 c. -2x2 - 5x + 2 d. 2x2 - 5x - 2 17. Determine, without graphing, whether the quadratic function f(x) = x2 + 2x - 6 has a maximum value or a minimum value and then find that value. a. minimum; -7 b. minimum; -1 c. maximum; -1 d. maximum; -7 23. Regrind, Inc. regrinds used typewriter platens. The variable cost per platen is $1.90. The total cost to regrind 50 platens is $400. Find the linear cost function to regrind platens. If reground platens sell for $8.80 each, how many must be reground and sold to break even? a. C(x) = 1.90x + 305; 45 platens b. C(x) = 1.90x + 400; 38 platens c. C(x) = 1.90x + 400; 58 platens d. C(x) = 1.90x + 305; 29 platens Solve the inequality algebraically. Express the solution in interval notation. (x - 6)/(x + 3) > 0 a. (-, -3) (6, ) b. (-, -3) even? a. C(x) = 1.90x + 305; 45 platens b. C(x) = 1.90x + 400; 38 platens c. C(x) = 1.90x + 400; 58 platens d. C(x) = 1.90x + 305; 29 platens Solve the inequality algebraically. Express the solution in interval notation. (x - 6)/(x + 3) > 0 a. (-, -3) (6, ) b. (-, -3) c. (6, ) d. (-3, 6) Form a polynomial f(x) with real coefficients of degree 4 and the zeros 2i and -5i. a. f(x) = x4 + 29x2 + 100 b. f(x) = x4 - 2x3 + 29x2 + 100 c. f(x) = x4 + 29x2 - 5x + 100 d. f(x) = x4 - 5x2 + 100 Find the intercepts of the function f(x) = 4x5(x + 3)3. a. x-intercepts: 0, -3; y-intercept: 0 b. x-intercepts: 0, 3; y-intercept: 4 c. x-intercepts: 0, 3; y-intercept: 0 d. x-intercepts: 0, -3; y-intercept: 4 Find the x- and y-intercepts of f(x) = (x + 1)(x - 4)(x - 1)2. a. x-intercepts: -1, 1, -4; y-intercept: 4 b. x-intercepts: -1, 1, 4; y-intercept: 4 c. x-intercepts: -1, 1, -4; y-intercept: -4 d. x-intercepts: -1, 1, 4; y-intercept: -4 Solve the inequality algebraically. Express the solution in interval notation. x3 27 a. (-, 3] b. (-, -3] [3, ) c. [-3, 3] d. [3, ) Find a bound on the real zeros of the polynomial function f(x) = x4 8x2 - 9. a. -17 and 17 b. -9 and 9 c. -18 and 18 d. -10 and 10 Use the Factor Theorem to determine whether x + 5 is a factor of f(x) = 3x3 + 13x2 - 9x + 5. a. Yes b. No