Question

Find gof and fog, if f : R → R and           g : R → R are given by f(x) = cos x
and g (x) = 3x2. Show that gof ≠ fog.

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Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
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ISBN: 9781133382119
Author: Swokowski
Publisher: Cengage
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