jika suatu fungsi dirumuskanf(x)=4x-8.Maka tentukan nilai f(-5)! tolong nih kakak

F(x)=4x-8
F(5)=4.5-8
F(5)=20-8
F(5)=12
F(5)=12
Semoga membantu

f(x)=4x-8
Nilai f(-5)=.......
jawab
f(x)=4x-8
f(-5)=4(-5)-8
=-20-8
=28
f(-5) =28
maaf kalo salah