For a certain automobile, M(x) = - .015x+1.25x-7.5, 30 sxs 60, represents the miles per gallon obtained at a speed of x miles per hour. (a) Find the absolute maximum miles per gallon and the speed at which it occurs. (b) Find the absolute minimum miles per gallon and the speed at which it occurs. (a) The absolute maximum miles per gallon is . This occurs at mph. (Type an integer or decimal rounded to the nearest thousandth as needed.) (b) The absolute minimum miles per gallon is This occurs at mph. (Type an integer or decimal rounded to the nearest thousandth as needed.)

For a certain automobile, M(x) = - .015x+1.25x-7.5, 30 sxs 60, represents the miles per gallon obtained at a speed of x miles per hour. (a) Find the absolute maximum miles per gallon and the speed at which it occurs. (b) Find the absolute minimum miles per gallon and the speed at which it occurs. (a) The absolute maximum miles per gallon is . This occurs at mph. (Type an integer or decimal rounded to the nearest thousandth as needed.) (b) The absolute minimum miles per gallon is This occurs at mph. (Type an integer or decimal rounded to the nearest thousandth as needed.)

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter3: Polynomial And Rational Functions

Section3.1: Quadratic Functions And Models

Problem 56E: When a certain drug is taken orally, the concentration of the drug in the patient's bloodstream...

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