diketahuifungsi fungsi f(x)=5x-3dan g(x) =7x+5.tentukan A.(fog) (x) B (golf) (x)

A. (fog)(x) = 5(7x+5)-3 = 35x+25-3
= 35x +22

B. (gof)(x) = 7(5x-3)+5 = 35x-21+5
= 35x-16

A. (fog) (x) =f(g(x))
=f(7x+5)
=7(5x-3)+5
=35x-21+5
=35x-16
B. (gof) (x) =g(f(x))
=g(5x-3)
=5(7x+5)-3
=35x+25-3
=35x+22