A. f(x) = x – 4
B. f(x) = 2x – 2
C. f(x) = x + 3
D. f(x) = 2x + 5
Diketahui fungsi f(x) =ax +b dengan f(1) = 0 dan f(0) = -2, rumus fungsi f(x) adalah….
F(1) = a(1) + b = a + b = 0
f(0) = a(0) + b = b = -2
substitusikan nilai b ke persamaan a+b
a – 2 = 0
a = 2
Funsi f(x) = ax + b = 2x -2