qqp question1: What are all the possible rational zeros for f(x) =6x^3+6x^2-15x-2 If f(x) =x^3+4 and g(x) =x+3, find [g*f] (2)? question2: What are all the possible rational zeros for f(x) =x^3+8x+6 What is 3 [f(x+2)] if f(x) =x^3+2x^2-4?