Use the price-demand equation to determine whether demand is elastic, is inelastic, or has unit elasticity at the indicated values of p.x = f(p) = 1500 - 5p2; p = 10
A. Inelastic
B. Unit elasticity
C. Elastic
Answer: B
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = 4, 0 < ? < 
Find cos 
.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.There were 33,000 people at a ballgame in Los Angeles. The day's receipts from 
reserved seats and 
general-admission seats were 
How many of each type of seat were sold?
A. $14 seats: 15,000; $6 seats: 18,000 B. $14 seats: 18,000; $6 seats: 15,000 C. $14 seats: 9000; $6 seats: 24,000 D. $14 seats: 24,000; $6 seats: 9000
Mathematics
Find the exact value of the following expression without using a calculator.cos 
A. 
B. 
C. - 
D. - 
Mathematics
Identify the inequality as true or false.-50 < 0
A. True B. False
Mathematics