The number of miles M that a certain automobile can travel on one gallon of gasoline at a speed of v mi/hr is given by M = − 1/30v2 + 3/2v for 0 < v < 70. (a) Find the most economical speed for a trip. (Round your answer to one decimal place.) mi/hr (b) Find the largest value of M. (Round your answer to three decimal places.) M = mi/gal
The number of miles M that a certain automobile can travel on one gallon of gasoline at a speed of v mi/hr is given by M = − 1/30v2 + 3/2v for 0 < v < 70. (a) Find the most economical speed for a trip. (Round your answer to one decimal place.) mi/hr (b) Find the largest value of M. (Round your answer to three decimal places.) M = mi/gal
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter10: Exponential And Logarithmic Functions
Section10.CT: Test
Problem 21CT
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The number of miles M that a certain automobile can travel on one gallon of gasoline at a speed of v mi/hr is given by
M = − 1/30v2 + 3/2v for 0 < v < 70.
(a) Find the most economical speed for a trip. (Round your answer to one decimal place.)
mi/hr
(b) Find the largest value of M. (Round your answer to three decimal places.)
M = mi/gal
mi/hr
(b) Find the largest value of M. (Round your answer to three decimal places.)
M = mi/gal
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