Question

f(x) = 2x²
g(x)= 3x +1
Find
1. f(x)²
2. f(x)³- g(x)+ g(x)²

Answer 1

Answer:

1. f(x^2)={2x^2}^2

f(x)^2=4x^4

2. f(x)^3-g(x)+g(x)^2 = 4x^6--3x-1+(3x+1)^2

=4x^6-3x-1+9x^2+1+6x

=4x^6+9x^2+3x