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## PRACTICE PROBLEM SET 15 Find a derivative of the inverse of each of the following functions. The answers are in Chapter 23, starting on page 514. 1.
y
=
x
+
1
x
y=x+\frac{1}{x}
y
=
x
+
x
1
at
y
=
17
4
y=\frac{17}{4}
y
=
4
17
; where
x
>
1
x>1
x
>
1
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