diketahui f(x) = 2x-3 dan g(x) = 4(x + 4) . fungsi (f- 2g ) (x) ...

f (x) = 2x - 3
g (x) = 4 (x + 4)
g (x) = 4x + 16

f - 2g (x)
= f (x) - 2 g (x)
= 2x - 3 - 2 (4x + 16)
= 2x - 3 - 8x - 32
= 2x - 8x - 3 - 32
= -6x - 35