F(x) = 2x +2 G(x) = x+5/2x-6 tentukan : A. (F + G) (x) B. (2F - 3G) (x)

F(x)=2x+2
G(x)=x+5/2x-6

(F+G)(x)= (2x+2)+ (x+5/2x-6)
= (4x^2-8x-12)+(x+5) / 2x-6
= 4x^2-7x-7/2x-6

(2F-3G)(x)= 2(2x+2)-3(x+5/2x-6)
=(4x+4)-(3x+15/2x-6)
=(8x^2-16x-24)-(3x+15) / 2x-6
=8x^2-19x-17/2x-6