# The quantity, in gallons, of water in a tank after t minutes is w = f(t). After 20 minutes, the tank has 50 gallons of water and the quantity is increasing at 3 gal/min. Fill in the blanks:(a)f(______) = ______(b)f ′(______) = ______

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 45SE: A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the...
Question

The quantity, in gallons, of water in a tank after t minutes is w = f(t). After 20 minutes, the tank has 50 gallons of water and the quantity is increasing at 3 gal/min. Fill in the blanks:
(a)
f(______) = ______
(b)
f ′(______) = ______

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