Question

Let f(x)=3x^2-x+2 and g(x)= 5x^2-1. find f(g(x))

Answer 1

15x^4-5x^2+1

Explanation:

g(x)=5x^2-1 and f(x)=3x^2-x+2

f(g(x))would mean that g(x) would be x in f(x).

So f(g(x) would be 15x^4-3-5x^2+1+2

simplified would be 15x^4-5x^2+1