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Pre-Calculus Practice Problem 64

# Pre-Calculus Practice Problem 64 - 3-2 2-2 is double root...

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Unit 2, Activity 4, Analyzing Polynomials with Answers Blackline Masters, Advanced Math-Pre-Calculus Page 62 Louisiana Comprehensive Curriculum, Revised 2008 The answers for the relative extrema were obtained with a TI-83 and are written to the nearest thousandth. # zeros root characteristic end behavior relative extrema increasing and decreasing intervals 1 -2, 3 crosses at -2 double root at 3 tangent to x-axis resembles y=x 3 min is 0 at x = 3 max is 18.519 at x = -.333 increasing (- , - .333) U (3, ) decreasing (-.333, 3) 2 0,3 0 is double root tangent; crosses at 3 resembles y=2x 5 min is -46.835 at x = 2.361 and max is 0 at 0 increasing (- , 0) U (2.361, ) decreasing (0,
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Unformatted text preview: 3 -2, 2 -2 is double root tangent; crosses at 2 resembles y=x 3 min is -9.482 at x = .667 and max is 0 at x = -2 increasing (-∞ , -2) U (0.667, ∞ ) decreasing (-2, 0.667) 4 -1, 0, 1 0 is a double root tangent; crosses at x = -1, 1 resembles y = -x 4 min is 0 at x = 0 and max is .25 at x = -.707 and x = .707 increasing (-∞ , -.707) U (0, .707) decreasing(-.707, 0) U (0.707, ∞ ) 5 -2, 0, 2, 4 0 is a triple root, crosses; -2, 2, and 4 single roots cross resembles y = -x 6 min is -14.783 at x = 1.479 2 maxima: one is 33.094 at x = -1.577 and one is 178.605 at x = 3.431 increasing (-∞ , -1.577) U (1.479, ∞ ) decreasing(-1.577, 1.479) U (3.413, ∞ )...
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