Mathematics Enhanced Sample Scope and Sequence

A function y = f(x) is a rule that tells us to do something with the argument, x. f(x) = 2x tells us to multiply the argument by 2. The inverse of f undoes whatever f does. Therefore, f –1(x) = x. For a function y = f(x) to have an inverse function, f must be one-to-one. Then … ................
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