1), f(x)= 5x+a f (-2)=5 berapa f(3) 2), f(x)= 10+2x f(-5) 3), f(x)= 10+14+ f (10)

1).f(x)=5x+a
f(-2)=5
5(-2)+a=5
-10+a=5
a=15
f(3)=5(3)+15
=15+15
=30

2).f(x)=10+2x
f(-5)=10+2(-5)
=10-10
=0

3).f(x)=10+14x
f(10)=10+14(10)
=10+140
=150