A graph of y = f(x) is shown, where f(x) = 2x5 3x4 + x3 8x2 + 5x + 3 and f(x) = 2x5 3x4
Chapter 3, Problem 116(choose chapter or problem)
A graph of y = f(x) is shown, where
\(f(x) = 2x^5 - 3x^4 + x^3 - 8x^2 + 5x + 3\) and \(f(-x) = -2x^5 - 3x^4 - x^3 - 8x^2 - 5x + 3\).
(a) How many negative real zeros does f have? Explain.
(b) How many positive real zeros are possible for f ? Explain. What does this tell you about the eventual right-hand behavior of the graph?
(c) Is \(x = -\frac{1}{3}\) a possible rational zero of f ? Explain.
(d) Explain how to check whether \((x -\frac{3}{2})\) is a factor of f and whether \(x = \frac{3}{2}\) is an upper bound for the real zeros of f.
Text Transcription:
f(x)=2x^5-3x^4+x^3-8x^2+5x+3
f(-x)=-2x^5-3x^4-x^3-8x^2-5x+3
x=-frac{1}{3}
(x-frac{3}{2})
x=frac{3}{2}
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