Graph the function.f(x) = 

A.

B.

C.

D.


Answer: D

Mathematics

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Use the decibel scale to answer the question.How does the intensity of sound form a concert speaker at a distance of 1 meter compare to the intensity at a distance of 900 meters?

A. Factor of 2700 weaker at 900 m. B. Factor of 10900 weaker at 900 m. C. Factor of 900 weaker at 900 m. D. Factor of 810,000 weaker at 900 m.

Mathematics

Solve the problem.Assume that the profit generated by a product is given by  where x is the number of units sold. If the profit keeps changing at a rate of  per month, then how fast are the sales changing when the number of units sold is 1400? (Round your answer to the nearest dollar per month.)

A. $112,250/month B. $3/month C. $4490/month D. $2245/month

Mathematics

A solution containing 15.0mL of alcohol in 250.mL of solution. What is the percent concentration of this alcohol solution?

A. 0.06%V/V B. 6.0%V/V C. 6.0% D. 0.06%

Mathematics

A PDF for a random variable X is given. Use the PDF to find the CDF.f(x) = 

A. F(x) = 

B. F(x) = 

C. F(x) = 

D. F(x) = 

Mathematics