A 48-gallon barrel contains a mixture with a concentration of 33% sodium chloride. You remove x gallons of this mixture and replace it with 100% sodium chloride. (a) Write the amount A of sodium chloride in the final mixture as a function of x. A(x) = (b) Use a graphing utility to graph the concentration function. What is the domain of the function? (Enter your answer using interval notation.) (c) Approximate (accurate to one decimal place) the value of x when the final mixture is 60% sodium chloride. x = ____ gal
A 48-gallon barrel contains a mixture with a concentration of 33% sodium chloride. You remove x gallons of this mixture and replace it with 100% sodium chloride. (a) Write the amount A of sodium chloride in the final mixture as a function of x. A(x) = (b) Use a graphing utility to graph the concentration function. What is the domain of the function? (Enter your answer using interval notation.) (c) Approximate (accurate to one decimal place) the value of x when the final mixture is 60% sodium chloride. x = ____ gal
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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A 48-gallon barrel contains a mixture with a concentration of 33% sodium chloride. You remove x gallons of this mixture and replace it with 100% sodium chloride.
(a) Write the amount A of sodium chloride in the final mixture as a function of x.
A(x) =
(b) Use a graphing utility to graph the concentration function. What is the domain of the function? (Enter your answer using interval notation.)
(c) Approximate (accurate to one decimal place) the value of x when the final mixture is 60% sodium chloride.
x = ____ gal
A(x) =
x = ____ gal
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