contestada

If f(x)=x2+3x+2 and g(x)=x+5 , what is the composition fog(x) or f(g(x)) ? A f(g(x))=x2+13x+42 B f(g(x))=x2+3x+32 C f(g(x))=x2+10x+25 D f(g(x))=x2+13x+32