Question 1168244
1) f(x)^2 = (2x^2)^2 = 4x^4


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


= 8x^6 - 3x - 1 + 9x^2 + 6x + 1

= 8x^6 + 9x^2 + 3x