Add or subtract as indicated. Write the answer in simplest form.
- 
A. 2
B. 
C. 
D. 
Answer: D
Mathematics
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Find the indicated limit or state that it does not exist.
A. 1
B. 
C. 0
D. No limit
Mathematics
Find the extrema of the function on the given interval, and say where they occur.csc2x + 2 cot x, 0 < x < ?
A. local minimum: 0 at x = 
B. local maximum: 0 at x = 
C. local minimum: 0 at x = 
D. local maximum: 0 at x = 
Mathematics
Find the requested probability.A box contains the following mixture of colored marbles: 2 black, 3 red, 2 yellow, and 1 green. What is the probability of drawing a red marble followed by a green marble if the two marbles are drawn without replacement?
A. 
B. 
C. 
D. 
Mathematics
Multiply or divide the fractions. Reduce to simplest form.
? 
A. 
B. 
C. 
D. 
Mathematics