19. For the function: f(x) = 2x4 + 11x³ +14x²-9x-18. a) Use your calculator to sketch the graph of this polynomial function. b) Write the polynomial in factored form with integral coefficients. Explain your steps. 20. Prove that r²-7x+12 is a factor of x-2³-17x² + 18x + 72. (
19. For the function: f(x) = 2x4 + 11x³ +14x²-9x-18. a) Use your calculator to sketch the graph of this polynomial function. b) Write the polynomial in factored form with integral coefficients. Explain your steps. 20. Prove that r²-7x+12 is a factor of x-2³-17x² + 18x + 72. (
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.CR: Chapter Review
Problem 61E
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