Question: Find a formula for the inverse function -1 and verify that ( -1 )(x) = ( -1 )(x) = x. a.

Find a formula for the inverse function ƒ -1 and verify that (ƒ ∘ ƒ-1 )(x) = (ƒ-1  ∘ ƒ)(x) = x.

a.f(x) = 100 1 + 2x

b.

f(x) = 100 1 + 2x

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