8. Evalunte x→1limx−1x. a. 1 b. 0 c. −∞ d. +∞ 9. Evaluate x→2−lim(x−1)(x−2)x+1. a. 1 b. −∞ c. 2 d. +∞ 10. Find the absolute maximum of the finction f(x)=x2+11 on the intorval −1≤x≤1. a. 0 c. 2 b. 1 d. −1 11. Find the slope of the tangent to the graph of f(x)=x(x2−4) at its point of inflection. a. 0 c. 4 b. 2 d. −4
12. Which graph represents the function f(x)=x2−11 ? a. c. b. d.
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14. Find f′′(x) if f(x)=x2+x2. a. 2+x2 c. 2+2x2x3 b. 2+22x3 d. 2−x33 15. If f(x)=ax+xb, where a and b are constants, find f′′(x). a. a+x2b c. x32b b. a+x32b d. x32b
7. The fuaction f(x)=x3−3x2+x+2 is coneave up on which interval? a. x>0 c. 0<x<1 b. x>1 d. x<1
8. Evalunte x→1limx−1x. a. 1 b. 0 c. −∞ d. +∞ 9. Evaluate x→2−lim(x−1)(x−2)x+1. a. 1 b. −∞ c. 2 d. +∞ 10. Find the a
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8. Evalunte x→1limx−1x. a. 1 b. 0 c. −∞ d. +∞ 9. Evaluate x→2−lim(x−1)(x−2)x+1. a. 1 b. −∞ c. 2 d. +∞ 10. Find the a
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