Question

If (x)=x/2-2 and g(x)=2x2+x-3, find (f+g)(x)

Answer 1

(f+g)(x)=f(x)+g(x)=
$\frac{x}{2}-2+2x^2+x-3=2x^2+\frac{2}{2}x+\frac{1}{2}x-2-3=$
$2x^2+\frac{3}{2}x-5$


$(f+g)(x)=2x^2+\frac{3}{2}x-5$