3. Untuk fungsi g: x→ 10 - 3x, tentukan nilai fungsi berikut. a. g(2) + g(-4), b. g(5) – g(-2).
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Jawaban:
g(x) = 10-3x
a. g(2) +g(-4) =
jawab:
g(2) = 10-3(2) = 10-6= 4
g(-4) = 10-3(-4) = 10-12 = -2
maka g(2) + g(-4) = 4+-2= 2
b. g(5) -g(-2)
jawab:
g(5) = 10-3(5) = 10-15= -5
g(-2) = 10-3(-2) = 10-6= 4
maka g(5) -g(-2) = -5-4 = -9
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