Answered: HW Part 1 of 4 Points: 0 of 1 An…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.3: Zeros Of Polynomials

Problem 67E

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Part 1

(a) Find the least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable.

ModifyingAbove y with caretyequals=enter your response herexplus+(enter your response here)

(Round the x coefficient to five decimal places as needed. Round the constant to one decimal place as needed.)

HW
Part 1 of 4
Points: 0 of 1
An engineer wants to determine how the weight of a man nowarad cor v. affecte mileage
Car Weight and MPG
-
☑
e m
Weight
(pounds), x
Miles per
Gallon, y
3724
17
3780
15
2757
3479
3251
2917
3650
2697
3489
3752
TONNNN
26
18
21
22
17
23
18
18
Print
Done
mil
cima

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A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 3:40 p.m. At this time, he started pumping gas into the tank. At exactly 3:44, the tank was full and he noticed that he had pumped 10.7 gallons. What is the average rate of flow of the gasoline into the gas tank?
Explain the difference between the average rate of change of y as x changes a to b, and the instantaneous rate of change of y at x=a
Respiratory Rate Researchers have found that the 95 th percentile the value at which 95% of the data are at or below for respiratory rates in breath per minute during the first 3 years of infancy are given by y=101.82411-0.0125995x+0.00013401x2 for awake infants and y=101.72858-0.0139928x+0.00017646x2 for sleeping infants, where x is the age in months. Source: Pediatrics. a. What is the domain for each function? b. For each respiratory rate, is the rate decreasing or increasing over the first 3 years of life? Hint: Is the graph of the quadratic in the exponent opening upward or downward? Where is the vertex? c. Verify your answer to part b using a graphing calculator. d. For a 1- year-old infant in the 95 th percentile, how much higher is the walking respiratory rate then the sleeping respiratory rate? e. f.

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HW Part 1 of 4 Points: 0 of 1 An engineer wants to determine how the weight of a man nowarad cor v. affecte mileage Car Weight and MPG - ☑ e m Weight (pounds), x Miles per Gallon, y 3724 17 3780 15 2757 3479 3251 2917 3650 2697 3489 3752 TONNNN 26 18 21 22 17 23 18 18 Print Done mil cima

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Part 1