First slide

Functions (XII)

Question

The domain of $\cosh^{- 1} 5 x$ is

Moderate

A

R
B

$[0, \infty)$
C

$(\frac{1}{5}, \infty)$
D

$[\frac{1}{5}, \infty)$

Solution

Domain of $\cosh^{- 1} x = [1, \infty)$

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