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Mathematics, 22.02.2021 01:00 deneshau

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 120 ft. At what range of speeds (in mi/h) can she travel? (Enter your answer using interval notation.)

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