The base of a triangle is (x + 7) cm and its height is (x - 3). Which of the following polynomial functions is its area?   a. b(x) = x2 + 7x + 21 b. b(x) = x + 4 c. b(x) = x + 10 d. b(x) = x2 + 4x - 21

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
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Chapter5: Polynomial And Rational Functions
Section: Chapter Questions
Problem 2PT: Determine the and behavior of the polynomial function. f(x)=8x33x2+2x4
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The base of a triangle is (x + 7) cm and its height is (x - 3). Which of the following polynomial functions is its area?

 

a. b(x) = x2 + 7x + 21

b. b(x) = x + 4

c. b(x) = x + 10

d. b(x) = x2 + 4x - 21

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