Jawaban:
b. -15
Penjelasan dengan langkah-langkah:
f(x) = 2x - 6
g(x) = 4x + 7
_ _ _ _ _ _ _ _ _ _ _ _
(f - g)(x) = f(x) - g(x)
(f - g)(x) = (2x - 6) - (4x + 7)
(f - g)(x) = 2x - 6 - 4x - 7
(f - g)(x) = -2x - 13
(f - g)(x) = -2(1) - 13
(f - g)(x) = -2 - 13
(f - g)(x) = -15. [opsi b]
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Jawaban:
b. -15
Penjelasan dengan langkah-langkah:
f(x) = 2x - 6
g(x) = 4x + 7
_ _ _ _ _ _ _ _ _ _ _ _
(f - g)(x) = f(x) - g(x)
(f - g)(x) = (2x - 6) - (4x + 7)
(f - g)(x) = 2x - 6 - 4x - 7
(f - g)(x) = -2x - 13
(f - g)(x) = -2(1) - 13
(f - g)(x) = -2 - 13
(f - g)(x) = -15. [opsi b]