have a horizontal tangent? X = help (numbers) f(x) = 10x² + 15x² 60x 60

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter7: Exponents And Exponential Functions
Section7.5: Exponential Functions
Problem 34PPS
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(17 points) For what value(s) of x does the graph of
have a horizontal tangent?
X =
help (numbers)
f(x) = 10x³ + 15x² − 60x − 60
Transcribed Image Text:(17 points) For what value(s) of x does the graph of have a horizontal tangent? X = help (numbers) f(x) = 10x³ + 15x² − 60x − 60
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