Solve the problem.John owns a hot dog stand. He has found that his profit is represented by the equation 
with P being profits and x the number of hotdogs. How many hotdogs must he sell to earn the most profit?
A. 38 hot dogs
B. 42 hot dogs
C. 21 hot dogs
D. 37 hot dogs
Answer: D
Mathematics
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 4yi + 7xj + z3k; C: the counterclockwise path around the perimeter of the triangle in the x-y plane formed from the x-axis, y-axis , and the line y = 2 - 5x
A. 
B. - 
C. 
D. 
Mathematics
Solve the problem.Find the average distance from a point 
in the first two quadrants of the disk 
to the origin.
A. 2
B. 
C. 
D. 4
Mathematics
Solve for the specified variable.S = 
for r
A. r = 
- 1
B. r = S - a
C. r = 
D. r = 
Mathematics
Write the equation 4x + y + 6 = 0 in slope-intercept form.
a. y = x + 2 b. y = 2x + 3 c. y = -2x - 3 d. y = -4x - 6 e. y = 4x + 6
Mathematics