The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
Mathematics
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Use an Euler diagram to determine whether the syllogism is valid or invalid.Some TV shows are comedies.All comedies are hits. ? Some TV shows are hits.
A. Valid B. Invalid
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Determine whether the statement is true or false.The function f(x) = 
is decreasing on the interval (0, ?)
A. True B. False
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Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.2, 8, 14, 20, 26, . . .
A. an = 6n - 4; a20 = 116 B. an = 4n - 2; a20 = 78 C. an = 4n - 6; a20 = 74 D. an = 6n - 2; a20 = 118
Mathematics
Determine if the ordered pair is a solution to the given inequality.2x + 3y ? 3; (3, 4)
A. Yes B. No
Mathematics