Find the perimeter.
A. (4x2 - 2x + 50) units
B. (4x2 + 10x + 50) units
C. (3x2 - 2x + 36) units
D. (4x2 + 10x + 36) units
Answer: A
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Simplify the expression.
A. - 
B. - 
C. 
D. - 
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cot(3x - 8)
A. y = cot u; u = 3x - 8; 
= - 3 cot(3x - 8) csc(3x - 8)
B. y = cot u; u = 3x - 8; 
= - csc2(3x - 8)
C. y = 3u - 8; u = cot x; 
= - 3 cot x csc2 x
D. y = cot u; u = 3x - 8; 
= - 3 csc2(3x - 8)
Decide whether or not the set is closed under multiplication.{1, 2, 3, 4, . . ., 40}
A. Not closed B. Closed
For an election with 4 candidates (A, B, C, and D), we have the following preference schedule:
How many Borda points does candidate D earn in this election?
A. 123 B. 144 C. 109 D. 134 E. none of these