Question

The range of the function f(x)=

sqrt of x²-1
​

Answer 1

Answer:

Range=R (Real number)

Step-by-step explanation:

Given,

$y = \sqrt{ {x}^{2} - 1 }$

So,

${y}^{2} = {x}^{2} - 1$

$x = \sqrt{ {y}^{2} + 1 }$

So, y can have any real values.

Hence, range=R

Answer 2

Answer:

real number is the answer