For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d = v + v2/20 where d is measured in feet. Kerry wants her stopping distance not to exceed 40 ft. At what range of speeds (in mi/h) can she travel? (Enter your answer using interval notation.) 2: Determine the values of the variable for which the expression is defined as a real number. (Enter your answer using interval notation.) x2 − 2x − 80
For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d = v + v2/20 where d is measured in feet. Kerry wants her stopping distance not to exceed 40 ft. At what range of speeds (in mi/h) can she travel? (Enter your answer using interval notation.) 2: Determine the values of the variable for which the expression is defined as a real number. (Enter your answer using interval notation.) x2 − 2x − 80
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter16: Table Of Decimal Equivalents And Combined Operations Of Decimal Fractions
Section: Chapter Questions
Problem 35A
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1: For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula
d = v + v2/20
where d is measured in feet. Kerry wants her stopping distance not to exceed 40 ft. At what range of speeds (in mi/h) can she travel? (Enter your answer using interval notation.)
2: Determine the values of the variable for which the expression is defined as a real number. (Enter your answer using interval notation.)
x2 − 2x − 80 |
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