Question

F(x) = 4x- 8

bagaimana cara nya ? tolong di bantu ya .

Answer 1

F(x) = 4x - 8
nyari invers
y = 4x - 8
4x = y + 8
x = (y + 8)
=  (y + 8)
=  (x + 8)

nyari nilai fungsi misal f(1)
f(1) = 4.1 - 8 = -4 .......:)