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Same Domain

Algebra Level 2

Set $X=\{-6, 6\}$ is the domain of two functions $f(x)=ax+b, g(x)=-x^2+3x-1,$ where $a$ and $b$ are constants. If $f=g,$ what is the value of $a-b?$

40 44 36 48

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by Ajay Dutta

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