Jika F (x) =5x+8 tentukan nilai f.apabila x=-4
Jawaban Terkonfirmasi
F ( -4 ) = 5 (-4) + 8
f (-4) = -20 + 8
f (-4) = -12
f = -12/-4
f = 3
Jawaban Terkonfirmasi
F(x) = 5x + 8
jika x = – 4
maka:
F (-4) = 5 (-4) + 8
F(-4) = -20 +8
F(-4) = -12