## Question

###### In Exercises $45-60,$ for each function:a) Determine whether it is one-to-one.b) If the function is one-to-one, find a formula for the inverse.$$f(x)=2 x^{2}-x-1$$

In Exercises $45-60,$ for each function: a) Determine whether it is one-to-one. b) If the function is one-to-one, find a formula for the inverse. $$f(x)=2 x^{2}-x-1$$

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