SOLUTION: Determine whether each pair of functions are inverse functions. f(x)=2x, g(x)=-2x

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Question 391626: Determine whether each pair of functions are inverse functions. f(x)=2x, g(x)=-2x
Answer by robertb(5830) About Me  (Show Source):
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No, not inverse functions, because fog = -4x, and not equal to x. Similarly gof = -4x, and not equal to x.