1. Consider the function. f(x)=-3x³3 + 18x² 27x Step 1. Find all values of x that correspond to horizontal tangent lines. Select "None" if the function does not have any values of x that correspond to horizontal tangent lines. Step 2. Determine the open intervals on which the function is increasing and on which the function is decreasing. Enter to indicate the interval is empty.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.6: Solving Quadratic Equations By Using The Quadratic Formula
Problem 64PFA
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1.
Consider the function.
f(x) = -3x³ + 18x²
27x
Step 1. Find all values of x that correspond to horizontal tangent lines. Select "None" if
the function does not have any values of x that correspond to horizontal tangent lines.
Step 2. Determine the open intervals on which the function is increasing and on which
the function is decreasing. Enter to indicate the interval is empty.
Transcribed Image Text:1. Consider the function. f(x) = -3x³ + 18x² 27x Step 1. Find all values of x that correspond to horizontal tangent lines. Select "None" if the function does not have any values of x that correspond to horizontal tangent lines. Step 2. Determine the open intervals on which the function is increasing and on which the function is decreasing. Enter to indicate the interval is empty.
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