10. Determine lim x- x2 + x3. x - 15 a. 3165 C. -3165 b. 1356 d. -1356 11. Which of the following techniques should not be used to evaluate limits? a. direct substitution c. computing inverses b. change of variable d. one-sided limits Vx2 - 9 12. Determine lim x - 5 8x a. 10 b. 1 10 (x + 64)3 13. Determine lim X by change of variable. * +0 a. 1 C. 1 48 16 b. 1 d. 4 64 14. Which of the following is not a type of break in a graph? a. holes c. jumps b. horizontal asymptotes d. vertical asymptotes 15. Determine the value of x for which the function f(x) = 30x X - 8 is discontinuous. a. 30 C. 8 b. 0 d. -8