Graph the function.y = -4 cos (2?x + 3?)
A. 
B. 
C. 
D. 
Answer: A
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Solve.Find the Maclaurin expansion for the function f(x) = (3 + x)3.
A. The Maclaurin expansion is not valid because it is effectively not infinite. B. The Maclaurin expansion cannot be found because all terms past a certain point are zero. C. 27 + 27x + 9x2 + x3 D. 3 + 9x + 9x2 + x3
Solve the rational equation.
- 
= 
A. {-12}
B. {
C. {12}
D. {24}
Evaluate the expression using the given values.
?x = 10, y = 6
A. 2
B. 
C. 
D. 
Answer the question regarding the probability mass function described. Two fair dice are rolled. Let the random variable X be the sum of the values shown on the two dice, and define a probability mass function 
(a) State the range of X. (b) Find f(7).
A. (a) {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
(b) f(7) = P(X = 7) = 
B. (a) {1, 2, 3, 4, 5, 6}
(b) f(7) = P(X = 7) = 1
C. (a) {1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36}
(b) f(7) = P(X = 7) = 
D. (a) {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
(b) f(7) = P(X = 7) = 