7. The vertex of y =- 2(x - 14)(x + 22) is %3D a. (-4, 648) b. (36, 2252) c. (4, 648) d. (-4, 324)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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7. The vertex of y = - 2(x - 14)(x + 22) is
%3D
a. (-4, 648)
b. (36, 2252)
c. (4, 648)
d. (-4, 324)
Transcribed Image Text:7. The vertex of y = - 2(x - 14)(x + 22) is %3D a. (-4, 648) b. (36, 2252) c. (4, 648) d. (-4, 324)
8. The expression (3x - 1)(3x + 7) after expanding and simplifying is
a. 9x2 + 6x - 7
b. 9x2 + 18x - 7
c. 9x2 - 18x – 7
d. 9x2 + 10x - 7
Transcribed Image Text:8. The expression (3x - 1)(3x + 7) after expanding and simplifying is a. 9x2 + 6x - 7 b. 9x2 + 18x - 7 c. 9x2 - 18x – 7 d. 9x2 + 10x - 7
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