Suppose y = L(x) = ax + b (with a 0) is the equation of the
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Suppose y = L(x) = ax + b (with a ≠ 0) is the equation of the line tangent to the graph of a one-to-one function f at (x0, y0). Also, suppose that y = M(x) = cx + d is the equation of the line tangent to the graph of f-1 at (y0, x0).
a. Express a and b in terms of x0 and y0.
b. Express c in terms of a, and d in terms of a, x0, and y0.
c. Prove that L-1 (x) = M(x).
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Related Book For
Calculus Early Transcendentals
ISBN: 978-0321947345
2nd edition
Authors: William L. Briggs, Lyle Cochran, Bernard Gillett
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