Question

For f(x)=x/4-3 and g(x)=4x^2+2x-4 find (f+g)(x)

Answer 1

`f(x)=(x)/(4)-3=(1)/(4)x-3\\\\g(x)=4x^2+2x-4\\\\(f+g)(x)=f(x)+g(x)=(1)/(4)x-3+4x^2+2x-4\\\\=4x^2+\left((1)/(4)x+2x\right)+(-3-4)=4x^2+2(1)/(4)x-7`