Question
2. Define f: [0, ) [0, ) by f(x) = x + 2x. Use the quadratic formula to guess a formula for an inverse
2. Define f: [0, ) [0, ) by f(x) = x + 2x. Use the quadratic formula to guess a formula for an inverse function g: [0, ) [0, ), and use it to prove that f is bijective by showing that go f = I[0,) and og = I[0,).
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Algebra and Trigonometry
Authors: Ron Larson
10th edition
9781337514255, 1337271179, 133751425X, 978-1337271172
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