Find the integral. 
A. e ln 
+ C
B. x + C
C. 
+ C
D. ln 
+ C
Answer: D
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Find the slope of the polar curve at the indicated point.r = 9 sin 4?, ? = 0
A. 1 + 
B. -1
C. 0
D. 
Solve the problem.In a triangle with sides b and c and included angle ?, the area is given by 
Solve for ?.
A. ? = sin-1 
B. ? = 2 sin-1 
C. ? = 2 sin-1 
D. ? = sin-1 
Answer the question(s) based on the following situation: A dishonest coin (landing heads 
of the time) is tossed 1350 times. The random variable X denotes the total number of heads that come up in the 1350 tosses.What are the chances that X is 522 or less?
A. approximately 37.5% B. approximately 16% C. approximately 25% D. approximately 5% E. none of these
Use the basic identities to simplify the expression.
- sec ?
A. -3 B. 2 sec2 ? - 3 C. 3 D. 0