Q. The domain of $f (x) = tan^{- 1} (5 x)$ is

1451 240 Inverse Trigonometric Functions Report Error

A

$(- \infty, \infty)$

30%

B

$(0, \infty)$

23%

C

$(- \infty, 0)$

18%

D

$(- \frac{1}{5}, \frac{1}{5})$

29%

Solution:

$5 x \in R$