Question

Tolong jawab yang c. nilai f (3a+1)

Answer 1

F(1) = 5(1) - m = 8 >> m = 3
F(3a+1) = 5(3a+1) - 3
= 15a + 5 - 3
= 15a + 2
15a = -2
a = -2/15

Answer 2

F(x)=5x-m
f(1)====>5-m=8
                  -m=8-5
                   m=-3
f(3a+1)=5(3a+1)-(-3)=15a+5+3=15a+8
tinggal dimasukkan saja