Matematika
Bagian A
(fog)(x) = f(g(x))
9x² - 6x + 2 = f(3x + 14)
(3x + 14)² - 28(3x + 14) + 198 = f(3x + 14)
x² - 28x + 198 = f(x)
f(x) = x² - 28x + 198
Bagian B
(fog) (x) = f(g(x))
9x² - 6x + 2 = 3g(x) - 5
3g(x) = 9x² - 6x + 2 + 5
g(x) = (9x² - 6x + 7) / 3
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Matematika
Bagian A
(fog)(x) = f(g(x))
9x² - 6x + 2 = f(3x + 14)
(3x + 14)² - 28(3x + 14) + 198 = f(3x + 14)
x² - 28x + 198 = f(x)
f(x) = x² - 28x + 198
Bagian B
(fog) (x) = f(g(x))
9x² - 6x + 2 = 3g(x) - 5
3g(x) = 9x² - 6x + 2 + 5
g(x) = (9x² - 6x + 7) / 3