Question

Which equation can be simplified to find the inverse of y = x2 – 7?

Answer 1

In order to find an inverse, you must switch the x and y variables. So I believe the answer you’re looking for is x=y^2-7, since simplifying that would get you your inverse.

Answer 2

The inverse of the equation $y=x^{2}-7$ is $x=y^{2}-7$  

What is Inverse function?

• Inverse function is a function which reverse one function to another.
• If a function f takes the variable x to y, then the inverse of a function must takes y to x.

To get the inverse of the function, we have to interchange the variables.

Given equation is $y=x^{2}-7$

Now interchange the variable x to y and y to x,

we get $x=y^{2}-7$

Hence, the required equation is $x=y^{2}-7$

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