How do you determine whether the function #p(x)=-4# has an inverse and if it does, how do you find the inverse function?

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How do you determine whether the function #p(x)=-4# has an inverse and if it does, how do you find the inverse function?

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Answer 1 · 2018-06-24T02:55:38

For a function #p(x)# to have an inverse it needs to be one-to-one, each different value of #x# yielding a different value of #p(x).# Since here all different values of #x# yield the same value for #p(x)#, #p# is not invertible.

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How do you determine whether the function #p(x)=-4# has an inverse and if it does, how do you find the inverse function?

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