(3) Inverse property Review: The inverse involves interchanging x with y. The inverse of f will undo the operations of f on the input. Fact: If two functions f (x)and g(x) are inverse of each other, then f(g(x)) = x [Here f cancels what g does on x] and g(f(x)) = x [Here g cancels what f does on x] %3D #5. Let f(x) = 2x – 1 and g(x) = x+1 %3D %3D Find a) f(g(x)) and g(f(x)) b) Find f(g(3)) and g(f(5)) 59
(3) Inverse property Review: The inverse involves interchanging x with y. The inverse of f will undo the operations of f on the input. Fact: If two functions f (x)and g(x) are inverse of each other, then f(g(x)) = x [Here f cancels what g does on x] and g(f(x)) = x [Here g cancels what f does on x] %3D #5. Let f(x) = 2x – 1 and g(x) = x+1 %3D %3D Find a) f(g(x)) and g(f(x)) b) Find f(g(3)) and g(f(5)) 59
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.1: Inverse Functions
Problem 55E
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