(5) Let f(x) = 5x² + for x > 0, where A is a positive constant. Find the smallest A such that f(x) ≥ 28 for all x > 0.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.1: Techniques For Finding Derivatives
Problem 35E
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(5) Let f(x) = 5x² +
f (x) ≥ 28 for all x > 0.
for x > 0, where A is a positive constant. Find the smallest A such that
I5
Transcribed Image Text:(5) Let f(x) = 5x² + f (x) ≥ 28 for all x > 0. for x > 0, where A is a positive constant. Find the smallest A such that I5
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