Solve the problem.Which of the pairs of numbers whose sum is 76 has the largest product?
A. 30 and 46
B. 28 and 48
C. 37 and 39
D. 38 and 38
Answer: D
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Solve the problem.Find the total surface area of a right circular cone with diameter 18.9 ft and height 
A. 784 ft2 B. 2800 ft2 C. 1120 ft2 D. 3920 ft2
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?
Tell whether the statement is true or false.If
f(x) = -2, then f(x) is between -2.001 and -1.999 for some value of x near a.
A. True B. False
Solve the problem.Rejoyne Inc. has a marginal-profit function given by P'(x) = -3x + 140, where P'(x) is in dollars per unit.This means that the rate of change of total profit with respect to the number of units produced, x, is 
Find the total profit from the production and sale of the first 40 units.
A. $80 B. $6400 C. $3200 D. $20