4. Which of the following functions has a maximum value? a. f(x) = x- 3x + 4 b. f(x) = 2x + 5x + 3 c. f(x) = 3- 5x - x2 d. f(x) = 4x?

College Algebra
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ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter2: Functions
Section: Chapter Questions
Problem 8CC: What does it mean to say that f(4) is a local maximum valueof f ?
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4. Which of the following functions has a maximum value?
a. f(x) = x- 3x + 4
b. f(x) = 2x2 + 5x + 3
c. f(x) = 3- 5x - x²
d. f(x) = 4x?
Transcribed Image Text:4. Which of the following functions has a maximum value? a. f(x) = x- 3x + 4 b. f(x) = 2x2 + 5x + 3 c. f(x) = 3- 5x - x² d. f(x) = 4x?
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