Decide whether the equation is or is not an identity.cos (? + ?) = cos ?
A. Identity
B. Not an identity
Answer: B
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Find the mode or modes for the set of numbers.5, 9, 26, 3, 2, 8, 39, 1, 4, 16
A. 10.7 B. 9 C. 8 D. No mode
Find the correct end behavior diagram for the given polynomial function.f(x) = -x5 - 3x3 - 2x + 5
A. 
B. 
C. 
D. 
Solve the problem.From 9 names on a ballot, a committee of 3 will be elected to attend a political national convention. How many different committees are possible?
A. 60,480 B. 84 C. 504 D. 252
Use a Venn diagram to answer the question.A survey of 134 college students was done to find out what elective courses they were taking. Let A = the set of those taking art; B = the set of those taking basket weaving; and C = the set of those taking canoeing. The study revealed the following information:n(A) = 45; n(B) = 55; n(C) = 40; n(A ? B) = 12; n(A ? C) = 15; n(B ? C) = 23; n(A ? B ? C) = 2.How many students were not taking any of these electives?
A. 44 B. 52 C. 42 D. 10