Scuba Diving The maximum no-compression dive times for open-water scuba diving with...

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

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

(Source: Based on data available at www.divetechhouston.com/ RESOURCE FILES/nitrox_info_sheet.pdf )

a. What is the maximum length of time for a dive at a depth of 75 feet? 95 feet?

b. What is the maximum depth possible in a dive of 20 minutes?