Evaluate.2x + 5 for x = 4
A. 7
B. 13
C. 16
D. 3
Answer: B
Mathematics
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Simplify the expression. Assume that all variables are positive when they appear.
A. x 
B. 
C. 16x
D. 
Mathematics
Solve the following inequality for x, where x is an integer.2x ? 16
A. x ? 
B. x ? 
C. x ? 4
D. x ? 4
Mathematics
Solve the problem.Find the minimum of C = 7x + 4y on the region of feasible solutions shown in the figure. 
A. C = 42 B. C = 28 C. C = 0 D. C = 44
Mathematics
Solve the equation on the interval [0, 2?).csc5 x - 4 csc x = 0
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
Mathematics