IB skill practice

Find inverse linear functions

Find and interpret the inverse of a linear function using rearrangement, function notation, and substitution checks.

Paper 1 6 marks Difficulty 3

Find the intercept of an inverse function

Find \(f^{-1}\) for \(f(x)=2x - 2\). State the gradient and \(y\)-intercept of \(f^{-1}\), then evaluate \(f^{-1}(7)\).

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