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Let f (x) = 2 +V6+9x . (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 > -5 only (B) x 2 3 only (C) x > 0 only (D)x 2 -3 only (E) x 2 0 only (F) x > 3 only Problem #5(a): Select @ T Part (a) choices. (A) All x # 0 (B) x 2 2 only (C) x 2 - 5 only (D) x 2 0 only (E) x 2 5 only (F) Allx Problem #5(b): Select @ T Part (b) choices. Save "Which of the following are equivalent to lim sin(9 + h) - sin 9 ? h - 0 h (i) The derivative of sin x at x = 9. (ii) The derivative of (sin x) + 10 atx = 9. (iii) The derivative of sin x at x = -9. (A) (i) and (iii) only (B) (i) only (C) (ii) and (iii) only (D) (iii) only (E) (i) and (ii) only (F) all of them (G) (ii) only (H) none of them Problem #6: Select