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College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter2: Functions And Their Graphs

Section2.4: A Library Of Parent Functions

Problem 47E: During a nine-hour snowstorm, it snows at a rate of 1 inch per hour for the first 2 hours, at a rate...

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Question

The maximum no-compression dive times for open-water scuba diving with air-filled tanks can be modeled as

t(x) = 286.93(0.9738^x) minutes

of dive time where x feet is the depth of the dive, 50 ≤ x ≤ 120.†

(a) What is the maximum length of time for a dive at a depth of 95 feet? (Round your answer to the nearest whole number.)
min

What is the maximum length of time for a dive at depth of 115 feet? (Round your answer to the nearest whole number.)
min

(b) What is the maximum depth possible in a dive of 35 minutes? (Round your answer to the nearest whole number.)
ft

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