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A large mixing tank contains 100 gallons of water mixed with 5 pounds of salt. To the container, water will be added at a rate of 10 gallons per minute, and pure salt will be added at a rate of 1 pound per minute. a. How much water is in the tank after t minutes? b. How much salt is in the tank after t minutes? c. What is the concentration of salt, in pounds of salt per gallon, after t minutes? d. Describe the meaning of each asymptote of the concentration function you created