Solve the problem.Consider the area of the region in the first quadrant enclosed by the curve y = 
cosh 9x, the coordinate axes, and the line x = 9. This area is the same as the area of a rectangle of a length s, where s is the length of the curve from 
to 
What is the height of the rectangle?
A. sinh 81
B. 9
C. 
sinh 81
D. 
Answer: D
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Decide whether or not the ordered pair is a solution of the system.(3, 3)2x = -3 - y3x = -3 - 2y
A. No B. Yes
Give an appropriate answer.Last summer, your average daily electric bill was for 8.02 units of electricity. This summer, it was for 8.03 units. During which summer was the electrical usage higher?
A. The usage was the same for both summers. B. Last summer C. This summer D. Not enough information to determine
Solve the problem.A reservation clerk worked 12.15 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 4.05 hours B. 5.4 hours C. 2.7 hours D. 10.8 hours
Find the maximum value of 2x + 3y and the point at which it occurs subject to the constraints
What will be an ideal response?