Given the function f(x) = 18x + 3, determine the intervals where increasing and decreasing, and the intervals of concavity. Write the intervals using ine example: x < -1, 2 4 etc.... f(x) is increasing for: f(x) is decreasing for: f(x) is concave up for:

Algebra for College Students
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Chapter9: Polynomial And Rational Functions
Section9.4: Graphing Polynomial Functions
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Given the function f(x) = −2x³ – 12x² – 18x +3, determine the intervals where the function is
increasing and decreasing, and the intervals of concavity. Write the intervals using inequalities for
example:
x < -1,
2<x<4;
x<-2 or x > 4
etc....
f(x) is increasing for:
f(x) is decreasing for:
f(x) is concave up for:
f(x) is concave down for:
Transcribed Image Text:Given the function f(x) = −2x³ – 12x² – 18x +3, determine the intervals where the function is increasing and decreasing, and the intervals of concavity. Write the intervals using inequalities for example: x < -1, 2<x<4; x<-2 or x > 4 etc.... f(x) is increasing for: f(x) is decreasing for: f(x) is concave up for: f(x) is concave down for:
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