SOLUTION: Find the inverse of y=2√(x+3). Thanks!

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Question 662669: Find the inverse of y=2√(x+3). Thanks!
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find the inverse of y=2√(x+3).
interchange x and y then solve for y
x=2√(y+3)
square both sides
x^2=4(y+3)
x^2=4y+12
4y=x^2-12
y^-1=(x^2-12)/4