Finding domain and range for a word problem
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Question: I need precalculus help!! (function notation)
A tank has 16 gallons of water in it when water begins draining from the tank. (Recall that water weighs 8.345 pounds per gallon.)a. If 22 pounds of water have drained from the tank, how many gallons of water are remaining in the tank?b. Define a function f that determines the number of gallons of water in the tank, f(w), in terms of the number of pounds of water that have drained from the tank since the tank started draining, w.c. What is the domain of f? Enter your answer as an interval.d. What is the range of f? Enter your answer as an interval.
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Richard C.
Confidence-building Geometry tutor with 18 years experience
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