Which equation is the inverse of y = 2x2 – 8?

The inverse of the the function above is y =

In order to find the inverse of any function, you need to switch the x and y values. Once you've done that, you need to solve for the new y value. The resulting equation will be your inverse. The work for this one is below.

y = 2x^2 - 8 ----> Switch the terms

x = 2y^2 - 8 ----> Add 8 to both sides.

x + 8 = 2y^2 ----> Divide both sides by 2.

= y^2 ----> Now take the square root of both sides.

= y

What's left is your inverse. You can change the order so that it is in a more acceptable form.

y =

hope this .

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