The function f is defined

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 21T
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The function f is defined as f(x) = (x – 3)(x + 5)°. Answer the following questions without using a graphing
calculator.
a. Use algebraic methods to determine the roots of f.
x =
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b. On what interval(s) of x is f(x) positive? (Hint: enter "U" for U to combine more than one interval.)
Preview
c. On what interval(s) of x is f(x) negative? (Hint: enter "U" for U to combine more than one interval.)
Preview
Transcribed Image Text:The function f is defined as f(x) = (x – 3)(x + 5)°. Answer the following questions without using a graphing calculator. a. Use algebraic methods to determine the roots of f. x = Preview b. On what interval(s) of x is f(x) positive? (Hint: enter "U" for U to combine more than one interval.) Preview c. On what interval(s) of x is f(x) negative? (Hint: enter "U" for U to combine more than one interval.) Preview
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