Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? < ? < 
Find cos 
.
A. 
B. 
C. - 
D. - 
Answer: D
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Find the domain. Write interval notation for the answer.f(x) = 
A. (-?, 0) ? (3, ?) B. (-?, -3) ? (-3, 0) ? (0, ?) C. (-?, -3) ? (-3, 1) ? (1, ?) D. (-?, -3) ? (0, ?)
The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Solve the problem.Four boys and three girls are seated, in a row, at random, to watch a play. What is the probability thata) a girl is seated at each end of the row?b) one of the boys is seated in the middle seat?c) boys and girls are seated alternately?
A. a) 
b) 
c) 
B. a) 
b) 
c) 
C. a) 
b) 
c) 
D. a) 
b) 
c) 
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x3 + 6x2 - 4x - 24
A. (x2 - 4)(x + 6) B. (x - 2)2(x + 6) C. (x + 2)(x - 2)(x + 6) D. Prime