The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find sec t.
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.How many different pairwise comparisons are needed to learn the outcome of an election involving n = 14 candidates?
A. 91 B. 182 C. 273 D. 364
Determine whether the ordered triple is a solution of the system.(5, 2, -1)
A. Yes B. No
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. (0, 4)
B. 
C. 
D. (0, 2)
The linear programming problem has an unusual characteristic. Select a graph of the solution region for the problem and describe the unusual characteristic. Find the maximum value of the objective function (if possible) and where it occurs. ? Objective function: ? ? z = -x + 3y ? Constraints: ? x ? 0 y ? 0 x ? 10 x + y ? 7 ?
A. 
The constraint x ? 10 is extraneous. Maximum at (0, 7): 21
B. ?
The constraint x ? 10 is extraneous. Maximum at (7, 7): 14
C.
The constraint x ? 10 is extraneous. Maximum at (7,0): -7
D. ?
The constraint x ? 10 is extraneous. Maximum at (0, 0): 0
E.
The constraint x ? 10 is extraneous. No maximum.