lahebra
27.01.2021 •
Mathematics
Find the inverse function (on the given interval, if specified)
f(x) = x² + 1 for x 20
Find the inverse function.
f'(x)= for x2
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Ответ:
Step-by-step explanation:
f(x) = x² + 1, where x >= 0.
Let y be f(x).
=> y = x² + 1
=> x² = y - 1
=> x = √(y - 1) because x is non-negative.
Hence f^-1(x) = √(x - 1), where x >= 1.
Ответ:
so 8 inches = (8 * 4) = 32 ft
and 5 inches = (5 * 4) = 20 ft
A = L * W
A = 32 * 20
A = 640 square ft <==