Diketahui suku banyak f(x)=4x-×+2x+5 dan g(x)=2x+x-4 tentukan nilai f(2)dan g(-2)

Nilai f(2)
f(x) = 4x - x + 2x + 5
f(2)
= 4 . 2 - 2 + 2 . 2 + 5
= 8 - 2 + 4 + 5
= 6 + 9 = 15.

Nilai g(-2)
g(x) = 2x + x - 4
g(-2)
= 2 . (-2) + (-2) - 4
= -4 + (-2) - 4
= -10.

Semoga membantu!!!