Graph the function.f(t) = 
cos 2t 
A. 
B. 
C. 
D. 
Answer: D
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Use a chart or your knowledge of a standard deck of cards to determine which of the following is true. ?
A.
?The probability of drawing an a five, from a shuffled deck of cards, is 
.
B.
?The probability of drawing a heart, from a shuffled deck of cards, is 
.
C.
?The probability of drawing a Jack, from a shuffled deck of cards, is 
.
D.
?The probability of drawing a five of spades, from a shuffled deck of cards, is 
.
E.
?The probability of drawing a spade, from a shuffled deck of cards, is 
·.
Find the exact value of the real number y.y = csc-1 (1)
A. 2?
B. 
C. 
D. ?
Solve the problem.The displacement y (in cm) of an object hung vertically from a spring and allowed to oscillate is given by the equation 
where t is the time (in s). By multiplication of series, find the first three terms of the expansion for the displacement of the oscillating object.
A. 6t + 2.4t2 - 1.76t3 + . . . B. 6t + 1.2t2 + 0.12t3 + . . . C. 6t + 1.2t2 - 0.88t3 + . . . D. 6t + 0.6t2 - 0.92t3 + . . .
A salesman sold $300 more than the rest of the sales staff. If the sales total for the day was $2,300, how much did the rest of the sales staff sell?
A. $1,150 B. $1,300 C. $2,000 D. $1,000