Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 1.6 pretzels
B. 800 pretzels
C. 290 pretzels
D. 400 pretzels
Answer: D
Mathematics
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Solve the problem.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 8 different flags available, how many possible signals can be flown?
A. 24 B. 512 C. 336 D. 56
Mathematics
Solve the logarithmic equation.log 5x = log 4 + log (x + 2)
A. 8
B. 
C. 
D. -8
Mathematics
Determine whether the graph is the graph of a function.
A. Yes B. No
Mathematics
Solve the inequality. Graph the solution set, and state the solution set in interval notation.
< 11
A. (-?, -6) ? (0, ?)
B. (-6, 6)
C. (-6, 0)
D. (0, 6)
Mathematics