Question

If f(x) =-2x+9 and g(x)=-4x^2+5x-3 ,find (f•g)(x)

Answer 1

f(x)=-2x+9 g(x)=-4x^2+5x-3Now, f o g (x) = f{g(x)} = f(4x^2+5x-3) = 2(4x^2+5x-3) + 9 = 8x^2+10x-6 + 9

Explanation: