Determining Concavity In Exercises 3–14,determine the open intervals on which the graphof the function is concave upward or concavedownward.' 3. f (x) = x2 − 4x + 8

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.1: Inverse Functions
Problem 16E
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Determining Concavity In Exercises 3–14,
determine the open intervals on which the graph
of the function is concave upward or concave
downward.'

3. f (x) = x2 − 4x + 8

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