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A graph of the function g(x) = x+ − 8x³ + x² + 42x has zeros at -2, 0, 3 and 7. Is the graph positive or negative from nterval 3 to 7? Show algebraically how you know. X=-2 X=0 x=3 x=7

A graph of the function g(x) = x+ − 8x³ + x² + 42x has zeros at -2, 0, 3 and 7. Is the graph positive or negative from nterval 3 to 7? Show algebraically how you know. X=-2 X=0 x=3 x=7

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.1: Quadratic Functions And Models
Problem 2E: The quadratic function f(x)=a(xh)2+k is in standard form. (a) The graph of f is a parabola with...
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A graph of the function g(x)=2x¹ - 5x² − 58x + 90 has zeros at -5, 3/2, and 6. What are the signs of the y values between 5 and 3/2? Show algebraically how you know. -54X 1.5 S -5 and 6 D 3=1.5 f(x) = 2(0)³-5 (0)-544) 90 positive the sign of g values will be coschive for 6 Interval -5+3
Transcribed Image Text:A graph of the function g(x)=2x¹ - 5x² − 58x + 90 has zeros at -5, 3/2, and 6. What are the signs of the y values between 5 and 3/2? Show algebraically how you know. -54X 1.5 S -5 and 6 D 3=1.5 f(x) = 2(0)³-5 (0)-544) 90 positive the sign of g values will be coschive for 6 Interval -5+3
A graph of the function g(x)=x*- 8x³ + x² + 42x has zeros at -2, 0, 3 and 7. Is the graph positive or negative from the interval 3 to 7? Show algebraically how you know. X=-2 X=0 x=3 x=7
Transcribed Image Text:A graph of the function g(x)=x*- 8x³ + x² + 42x has zeros at -2, 0, 3 and 7. Is the graph positive or negative from the interval 3 to 7? Show algebraically how you know. X=-2 X=0 x=3 x=7
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