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#32695

exponential

applications

functions

hard

75 sec

The amount of water in a storage tank, in gallons, can be modeled by the function $A$ , where $A (m)$ is the amount of water in the tank $m$ minutes after a pump started filling it. The pump started at 7:00 AM. If $A (45) = 300$ , what was the time, in minutes past 6:00 AM, when the tank contained 300 gallons?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.