F(x)=x+2 maka tentukanlah a f(2) b f(ab) c f(x+2) d f(3x)

a.f(2)=2+2=4
b.f(ab)=ab+2=2ab
c.f(x+2)=f(2+2)=4+2=6
df(3x)=f(3×3)=f(9)= 9+2 = 11
swmoga membantu

F(X) = X+2

a) f(2)= 2+2
F(2)= 4

b)f(ab)= ab+2

c)f(X+2) = (X+2)²
=x² + 4x + 4

d) f(3x) = 3x +2