The gas mileage g (measured in mi/gal) for a particular vehicle, driven at v mi/h, is given by the formula g = 10 + 0.7v -0.01v², as long as v is between 10 mi/h and 75 mi/h. For what range of speeds (in mi/h) is the vehicle's mileage 20 mi/gal or better? (Enter your answer using interval notation.)

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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The gas mileage g (measured in mi/gal) for a particular vehicle, driven at v mi/h, is given by the formula g = 10 + 0.7v -0.01v², as long as v is between 10 mi/h and 75 mi/h. For what range of
speeds (in mi/h) is the vehicle's mileage 20 mi/gal or better? (Enter your answer using interval notation.)
Transcribed Image Text:The gas mileage g (measured in mi/gal) for a particular vehicle, driven at v mi/h, is given by the formula g = 10 + 0.7v -0.01v², as long as v is between 10 mi/h and 75 mi/h. For what range of speeds (in mi/h) is the vehicle's mileage 20 mi/gal or better? (Enter your answer using interval notation.)
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