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Rational functions Determine
30.
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- Find f(1) and f(2). f(x)=xx1arrow_forwardFind the domain of f(x)=3xx1 and discuss the behaviour of f near any excluded x-values.arrow_forwardFor the following exercises, write an equation for a rational function with the given characteristics. Vertical asymptote at x=3, double zero at x=1,y-intercept at (0,4)arrow_forward
- For the following exercises, use the graphs to determine the intervals on which the functions are increasing, decreasing, or constant. 31. Find the local extrema for the function graphed in Exercise 28.arrow_forwardFor the following exercises, construct a rational function that will help solve the problem. Then, use a calculator toanswer the question. 87. A right circular cylinder with no top has a volume of50 cubic meters. Find the radius that will yieldminimum surface area. Let x = radius.arrow_forwardFor the following exercises, construct a rational function that will help solve the problem. Then, usea calculator toanswer the question. 85. A rectangular box with a square base is to have avolume of 20 cubic feet. The material for the basecosts 30 cents/square foot. The material for the sidescosts 10 cents/square foot. The material for the topcosts 20 cents/square foot. Determine the dimensionsthat will yield minimum cost. Let x= length of theside of the base.arrow_forward
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