Solve the problem.The price p and the quantity x sold of a certain product obey the demand equation p = - 
x + 120, 0 ? x ? 360.What price should the company charge to maximize revenue?
A. $30
B. $60
C. $72
D. $90
Answer: B
Mathematics
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Evaluate the integral.
A. 
B. 
C. 212
D. 
Mathematics
Solve the problem.How many square centimeters of glass does it take to make the bottom and sides of a cube-shaped aquarium with an edge length of 38 cm?
A. 7220 cm2 B. 5776 cm2 C. 8664 cm2 D. 54,872 cm2
Mathematics
Perform the indicated operation. Express the solution in scientific notation.
A. 109 B. 330 × 10-9 C. 10-9 D. 10-8
Mathematics
?Approximate the value of the definite integral using (a) the Trapezoidal Rule and (b) Simpson's Rule for the indicated value of n. Round your answers to three significant digits.
?
?, 
?
A. ?a. Trapezoidal Rule: 
b. Simpson's Rule: 
B. a. Trapezoidal Rule:
b. Simpson's Rule:
C. a. Trapezoidal Rule:
b. Simpson's Rule: 
D. a. Trapezoidal Rule:
b. Simpson's Rule: 
?
E. a. Trapezoidal Rule:
b. Simpson's Rule: 
Mathematics