Use the integral test to determine whether the series converges.
A. converges
B. diverges
Answer: A
Mathematics
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Construct a truth table for the statement.(q ? ~r) ? (q ? ~r)
A. 
| T | T | T |
F T F
F F F
B.
| T | T | T |
F T F
F F T
C.
| T | T | F |
F F F
F T T
D.
| T | T | F |
F T T
F F T
Mathematics
Solve the problem.Only one of the following equations is set up so that the values of a, b, and c can be determined immediately. Which one is it?
A. (3x + 5)(x + 1) = 0 B. (3x + 5)2 = 1 C. 3x2 + 5x + 1 = 0 D. x2 + x = 1
Mathematics
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = 2x + 3
A. not a one-to-one
B. f-1(x) = 
- 3
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Find the exact value of the expression.cos 165°
A. 
B. 
C. 
D. 
Mathematics