Calculus question

sStuff/onlineform_2.php?assign=17 Save em #5: Let f (x) = 1+15+8x. (a) For what values of x is f(x) defined? (b) For what values of x is the inverse function f (x) defined? (A) x > 0 only (B) x > - g only (C) x 2 - only (D) x 2 0 only (E) x 2 : only (F) x > g only Problem #5(a): Select 1 Part (a) choices. (A) All x # 0 (B) x 2 - only (C) x 2 0 only (D) x 2 1 only (E) x 2 5 only (F) Allx Problem #5(b): Select v T Part (b) choices. Save lem #6: Which of the following are equivalent to lim sin(9 + h) - sin 9 ? h -> 0 h (i) The derivative of sin x at x = h. (ii) The derivative of sin x at x = -9. (iii) The derivative of sin(x + 9) at x = 0. (A) (i) and (ii) only (B) (i) only (C) all of them (D) (iii) only (E) (ii) and (iii) only (F) (ii) only (G) (i) and (iii) only (H) none of them