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70
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Suppose that the inverse of the function \(f(x)=\sqrt{ax+b}\)  is given by \(f^{-1}(x) = -(a+2)x^2+(2b+1)\)for all x satisfying ax+b \geq 0. Find a+b.

 Nov 29, 2020
 #1
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-1

a + b = 7.

 Nov 29, 2020

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