Determine whether the inverse of f(x)=2x2−5
is a function. Then find the inverse.

Not a function. The inverse is

and

Step-by-step explanation:

Any even-degree polynomial functions that are inverted will not be a function.

Let y = f(x)

To proceed the inverse, swap the x-term and y-term.

Convert into function form.

The reason why inverted even-degree polynomial function cannot be a function because the inverse graph doesn't pass line test.

Thus the answer is

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