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Functions and Limits - Set 4
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NUST Entrance Test
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Mathematics
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Functions and Limits
Set 4
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Mashaal Masha
Oct 05, 2022
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Choose the correct options for the following questions.
If $f(x)=3x^{3}+7$, then $f^(-1)=$
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Difficulty: Easy
A:
$(\frac{3}{8})^{\frac{1}{3}}$
B:
$(\frac{-8}{8})^{\frac{1}{3}}$
C:
$(\frac{-3}{8})^{\frac{1}{3}}$
D:
$(\frac{1}{8})^{\frac{1}{3}}$
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If f(x)=-2x+8 then $f^(-1)=$
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Difficulty: Easy
A:
10
B:
-10
C:
4
D:
9/2
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