SOLUTION: 2. Find the inverse of y=[x+9]. Is the inverse a function? [] means that its square root..thanks for helping..

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Question 181286: 2. Find the inverse of y=[x+9]. Is the inverse a function?

[] means that its square root..thanks for helping..

Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
to find the inverse of a function y is substituted for x and x is substituted for y
:

:
after squaring both sides
:

:
which is a parabola and a function
:

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