Mohon bantuannyaa yaa​

Jawaban:

a. f(x) = 4x+2

f(6) = 4(6)+2

f(6) = 24+2

f(6) = 26

b. f(x) = 4x+2

f(x) = 10

4x+2 = 10

4x = 8

x = 2

c. f(x) = 4x+2

f(a) = 18

4a+2 = 18

4a = 16

a = 4