Chapter 4: Q. 53 (page 225)
Find the vertical, horizontal, and oblique asymptotes, if any, of each rational function.
Short Answer
The given rational expression does not have a horizontal or oblique asymptote.
Chapter 4: Q. 53 (page 225)
Find the vertical, horizontal, and oblique asymptotes, if any, of each rational function.
The given rational expression does not have a horizontal or oblique asymptote.
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In Problems 13–24, find the domain of each rational function.
A can in the shape of a right circular cylinder is required to have a volume of cubic centimeters. The top and bottom are made of material that costs per square centimeter, while the sides are made of material that costs per square centimeter.
Part (a) Express the total cost C of the material as a function of the radius r of the cylinder.
Part (b): Graph . For what value of r is the cost C a minimum?
The concentration C of a certain drug in a patient's bloodstream t hours after injection is given by
Part (a): Find the horizontal asymptote of . What happens to the concentration of the drug as t increases?
Part (b): Using your graphing utility, graph .
Part (c): Determine the time at which the concentration is highest.
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