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1.5 notes

# 1.5 notes - terms for y The resulting expression then gives...

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In the inverse problem, we are given the value of f(x) and asked to find the value of x . Thus, for example, if f is a one-to-one function, then f (2) = 3 if and only if f -1 (3) = 2. Finding a Formula for an Inverse Function: Suppose f is a one-to-one function. * To find a formula for f -1 , solve the equation f(x) = y for x in

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Unformatted text preview: terms for y . * The resulting expression then gives a formula for f-1 (y). Examine the exercise 11 on p. 93. Domain and Range of an Inverse Function: If f is a one-to-one function, then * the domain of f-1 equals the range of f ; * the range of f-1 equals the domain of f . Examine the example on p. 89....
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