Evaluate the integral.
dt
A. -cos 
+ C
B. - 
cos 
+ C
C. 
cos 
+ C
D. 5 cos 
+ C
Answer: C
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Simplify the expression.x - [9x - (x - 4)]
A. -7x - 4 B. -7x + 4 C. -4x + 4 D. -9x - 4
Find the number of ways to get the following card combinations from a 52-card deck.If three cards are successively dealt from a 52-card deck without replacement, in how many ways could they be a face card, then a spade, and then a heart?
A. 1,248 ways B. 1,862 ways C. 936 ways D. 1,950 ways
Solve the problem.A retailer knows that n games can be sold in a month at a price of 
dollars per game. Assume that he buys each game for 
and sells everyone that he buys. If he wishes to make a profit of at least 
per month on sales of this game, how many games must he sell each month?
A. 0 ? n ? 30 B. 30 ? n ? 80 C. 25 ? n ? 40 D. 30 ? n ? 50
Graph.
- 
= 1
A. 
B. 
C. 
D. 