Provide an appropriate response.State the domain of the inverse cotangent function.
A. [-1, 1]
B. 
? 
C. (-?, -1] ? [1, ?)
D. (-?, ?)
Answer: D
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A PDF for a random variable X is given. Use the PDF to find the CDF.
A. F(x) = 
B. F(x) = 
C. F(x) = 
D. F(x) = 
The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring, versus 2 man-hours to make one SST ring.How many of each type of ring should be made daily in order to maximize the company's profit, if the profit on a VIP ring is $50 and the profit on an SST ring is $10?
A. 24 VIP and 0 SST B. 24 VIP and 4 SST C. 20 VIP and 4 SST D. 20 VIP and 0 SST
Solve.If y varies directly as the square of x, and y = 450 when x = 15, find y when x = 5.
A. 1350 B. 150 C. 4050 D. 50
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
and its inverse A-1 = 
to decode the cryptogram 
.
A. ALAS B. ABLE C. ARMS D. ACTS