SOLUTION: Suppose the invertible function φ(x) has the domain (−5,11) and the range (−12,1). What is the range of φ^−1(x)?

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Question 1136169: Suppose the invertible function φ(x) has the domain (−5,11) and the range (−12,1).
What is the range of φ^−1(x)?
Answer by ikleyn(52800)   (Show Source): You can put this solution on YOUR website!
.
Then the range of the function φ^−1(x) is (-5,11),  same as the domain of the function φ(x).



It is so, because you can return to any point of the domain with the function   φ^−1(x),  first making trip  x ----> φ(x).


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