Solve the problem.John owns a hot dog stand. He has found that his profit is given by the equation  where x is the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?

A. 43 hot dogs
B. 26 hot dogs
C. 25 hot dogs
D. 21 hot dogs


Answer: C

Mathematics

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Provide an appropriate response.Event A is that the weather forecast predicts sun for your hometown tomorrow. Event B is that it rains tomorrow in your home town.Are events A and B: A: Overlapping, Independent? B: Overlapping, Dependent? C: Non-overlapping, Independent? D: Non-overlapping, Dependent?

A. B B. D C. A D. C

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For the given angle of rotation and coordinates of a point in the xy-coordinate system, find the coordinates of the point in the x'y'-coordinate system.? = 60°, (-3, 0)

A.
B.
C.
D.

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Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) =  , g(x) = x2

A. No, yes B. Yes, yes C. No, no D. Yes, no

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Solve the system of equations by the addition method.

A. (5, 25)
B. no solution
C.
D. (25, 5)

Mathematics