1. What is the maximum value of y in the function y = -x²- x + 90? Show your solution. 2. What value of x that will give the minimum value of y in the function y = x²- 16x + 84? Show your solution. 3. A bullet was shot directly upward. Its height (y), in feet, above the ground at the end of x seconds is given by the quadratic function y = -x? - 8x - 6. How high does the bullet go? Show your solution.

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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1. What is the maximum value of y in the function y = -x²-x + 90? Show your solution.
2. What value of x that will give the minimum value of y in the function y = x - 16x + 84? Show your
solution.
3. A bullet was shot directly upward. Its height (y), in feet, above the ground at the end of x seconds
is given by the quadratic function y= -x² - 8x - 6. How high does the bullet go? Show your solution.
Transcribed Image Text:1. What is the maximum value of y in the function y = -x²-x + 90? Show your solution. 2. What value of x that will give the minimum value of y in the function y = x - 16x + 84? Show your solution. 3. A bullet was shot directly upward. Its height (y), in feet, above the ground at the end of x seconds is given by the quadratic function y= -x² - 8x - 6. How high does the bullet go? Show your solution.
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