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MATH SOLVE
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Which equation is the inverse of y = 9x^2 - 4?
5 months ago
Q:
Which equation is the inverse of y = 9x^2 - 4?
Accepted Solution
A:
First swap the x and y variable, then isolate y.
y = 9x^2 - 4
x = 9y^2 - 4
x + 4 = 9y^2
(x+4)/9 = y^2
plus or minus
[tex] \sqrt{((x + 4) \div 9} = y[/tex]