f(x)=3x+2 f (3)=a f (b) = -16 tentukan a+b...

f(3)=3×3 +2 = 11
f(b)= 3b+2=-16
3b=-18
b=-6
maka a+b = 11 - 6 = 5
Semoga dapat membantu

f(3)=a
3.3+2=a
a=11

f(b)= - 16
3b+2= -16
3b= -18
b= - 6

Jd a+b=11+(-6)=5