Diketahui fungsi f: R→R. Jika (fog)(x) = 4x - 6 dan f(x) = x-3 maka tentukanlah : A. g(x) = B. g-¹(x) =
Matematika
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Pertanyaan
Diketahui fungsi f: R→R. Jika (fog)(x) = 4x - 6 dan f(x) = x-3 maka tentukanlah :
A. g(x) =
B. g-¹(x) =
A. g(x) =
B. g-¹(x) =
1 Jawaban
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1. Jawaban Anonyme
(fog)(x) = 4x - 6
f(x) = x - 3
f(g(x)) = 4x - 6
g(x) - 3 = 4x - 6
g(x) = 4x - 6 + 3
g(x) = 4x - 3 ✔
y = 4x - 3
4x = y + 3
x = (y + 3)/4
g^-1 (x) = (x + 3)/4 ✔