Question 1054230
{{{y=x^9-4}}}
Interchange x and y, solve for y.
The new y is the inverse.
{{{x=y^9-4}}}
{{{y^9=x+4}}}
{{{y= (x+4)^(1/9)}}}
{{{f^(-1)(x)= (x+4)^(1/9)}}}
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*[illustration de2.JPG].