Given the functions k(x) = 2 x squared minus 5 and p(x) = x - 3, find (k times p)(x). The answers I have been given are : A) 2 x squared - 6x +4 B) 2 x squared - 12x +13. C) 2 x squared - 2x + 18. D) 2 x squared - 8. When I multiplied the two functions together, I got 2x cubed - 6x squared - 5x + 15, which is not one of the answers. Not sure what I am doing
Given the functions k(x) = 2 x squared minus 5 and p(x) = x - 3, find (k times p)(x). The answers I have been given are : A) 2 x squared - 6x +4 B) 2 x squared - 12x +13. C) 2 x squared - 2x + 18. D) 2 x squared - 8. When I multiplied the two functions together, I got 2x cubed - 6x squared - 5x + 15, which is not one of the answers. Not sure what I am doing
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Given the functions k(x) = 2 x squared minus 5 and p(x) = x - 3, find (k times p)(x). The answers I have been given are : A) 2 x squared - 6x +4 B) 2 x squared - 12x +13. C) 2 x squared - 2x + 18. D) 2 x squared - 8. When I multiplied the two functions together, I got 2x cubed - 6x squared - 5x + 15, which is not one of the answers. Not sure what I am doing wrong.
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