Question

Please help! I am stuck on this

Answer 1

Answer:

c.

Step-by-step explanation:

Assuming we are not restricting the domain of f, the inverse isn't a function

$\frac{1}{ {x}^{2} } - 7$

$y = \frac{1}{ {x}^{2} } - 7$

$x = \frac{1}{ {y}^{2} } - 7$

$x + 7 = \frac{1}{ {y}^{2} }$

${y}^{2} = \frac{1}{x + 7}$

$y = \sqrt{ \frac{1}{x + 7} }$

Since square root are Positve or negative, the function will not be a function.

The correct answer is c.