Problem #5: Let f(x) = 3+ 14+9x . [4 marks] (a) For what values of x is f(x) defined? (b) For what values of x is the inverse function /" (x) defined? (A)x 3 - only (B) x = 0 only (C) x > 0 only (D) x = = only (E) x > -; only (F)x > ; only Problem #5(a): Select + Part (a ) choices. (A)NE only (B) All x (C) x 3 - only (D) x 2 3 only (E) x = 0 only (F) Allx = 0 Problem #5(b): Select Part (b) choices