2. Jika f(x) = 6x - 2 dan g(x) = 2x + 9 maka (f - g)(x) = a. 4x - 7 b. 4x + 7 d. 4x + 11 e. 4x + 9 c. 4x - 11 أ
Jawaban:
f(x) = 6x - 2
g(x) = 2x + 9
(f - g)(x) = ....?
(f - g)(x) = (6x -2 ) - ( 2x +9)
= 6x -2 - 2x - 9
= 4x - 11 [C]
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