The gas mileage of a subcompact car is given by m = -0.04x 2 + 3.6x - 49, where x = the speed in miles
The gas mileage of a subcompact car is given by m = -0.04x2 + 3.6x - 49, where x = the speed in miles per hour and m is given in miles per gallon.
a) What is the gas mileage for a speed of 25 miles per hour?
b) At what speed(s) would the gas mileage be 31 miles per gallon?
c) Will the vertex of this parabola be a maximum or a minimum?
d) Find the vertex of this parabola and write a sentence interpreting each of its coordinates.
Step by Step Solution
3.56 Rating (146 Votes )
There are 3 Steps involved in it
Step: 1
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
15th edition
978-1337406529
