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an efficiency study of the morning shift (from 8am to 12:00 noon) at a certain factory indicates that an average worker who arrives on the job at 8:00am will have produced Q unitst hours later, where q(t)= -t^3+9/2t^2+15t.
A. WHat time during the morning is the worker performing most efficiently?
b. AT what time during the morning si the worker performing least efficiently
Jack and Jill ran a 200 meter race. Jill ran the race in 25 seconds and won by 5 meters; that is Jack had run only 195 meters when Jill crossed the finish line.
What is degree of polynomial and is it a monomial, binomial or trinomial? Find the quotient and remainder
Asymptotes of trigonometric functions and Graph y = csc( 0.5x + pi/2) and y = cos( 0.5x + pi/2) on one set of coordinate axes.
a rectangle is bounded by the x- and y- axes and the graph of y=6-x/2. What length and width should the rectangle have so that its area is a maximum?
What are complex numbers? What does imaginary parts of equal magnitude and opposite signs mean? What is the quadratic formula? What is it used for? Provide a useful example.
Give an example of an exponential function. Find this exponential function's inverse, which will be a logarithmic function. Plot the graph of both the functions.
A major credit card company has determined that customers charge between $100 and $1100 per month. Given that the average monthly amount charged is uniformly distributed, what percent of monthly charges are between $100 and $1100?
To order meat to be grinded at the meat factory costs 1/10 of the meat as the fee. If you need 2 pounds of meat, how much meat will the meat factory have to grind?
Calculation involving a change in blood pH. Although the pH of human blood is normally between pH 7.3-7.5, certain situations can take place which bring about "acidosis." Acidosis is defined as an abnormal lowering in the blood pH
The quality control department checks 340 CD players and discovers 12 of them are defective. What is the probability that a CD player is not defective?
Inquiries of the Poisson Portal interactive query system arrive at the central computer in a Poisson pattern at an average rate of 13 inquiries per minute.
The Tempcontrol company has a container that reduces the temperature of a liquid from 200 f to 110 f in 25 minutes by maintaining a constant temperature of 60 F.
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