1. jika f(x) = 2x / x^2 - 4 dan g(x) = akar 2x, maka (fog)(x) = 2. jika (gof)(x) = x - 6 / x + 4 dan f(x) = x + 2, maka g(4) = 3. diberikan f(x) = x -2, g(x) =
Matematika
asyanasta14
Pertanyaan
1. jika f(x) = 2x / x^2 - 4 dan g(x) = akar 2x, maka (fog)(x) =
2. jika (gof)(x) = x - 6 / x + 4 dan f(x) = x + 2, maka g(4) =
3. diberikan f(x) = x -2, g(x) = x^2 + 2x - 3, x > 0, dan (f o h o g)(x) = x^2 + 6, maka h(5)=
2. jika (gof)(x) = x - 6 / x + 4 dan f(x) = x + 2, maka g(4) =
3. diberikan f(x) = x -2, g(x) = x^2 + 2x - 3, x > 0, dan (f o h o g)(x) = x^2 + 6, maka h(5)=
1 Jawaban
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1. Jawaban hananda16052002
1. (f o g) (x) = f (g(x))
= f (akar 2x)
= 2 (akr 2x) / (akar 2x)^2 - 4
= 2 akar 2x / 2x - 4