diketahui fungsi f(x) = -5x +c dan f(-8) = 14.Tentukan hasil dari f(4) - f(2)

F(x) = -5× + c
F(-8) = -5x + c
14 = -5(-8) + c
14 = 40 + c
C = 40 - 14
C = 26

F(4) = -5× + c
= -5(4) + 26
= -20 + 26
= 6

F(x) = -5× + c
F(2) = -5× + c
= -5(2) + 26
= -