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grade 11 · A2-012

Find an inverse function

Exchange input and output, then solve for the new output.

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Show what I knowFresh problem · seed 1729718598

If \(f(x)=6x+7\), which rule gives \(f^{-1}(x)\)?

forwardmultiply by 6add 7

↔

inversesubtract 7divide by 6

Choose an answer\(f^{-1}(x)=\frac{x-7}{6}\)\(f^{-1}(x)=6x-7\)\(f^{-1}(x)=\frac{x+7}{6}\)\(f^{-1}(x)=\frac{6}{x-7}\)

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Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.