Solve.John owns a hotdog stand. He has found that his profit is represented by the function 
with P(x) being profits and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 22 hotdogs
B. 29 hotdogs
C. 30 hotdogs
D. 44 hotdogs
Answer: B
Mathematics
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Solve the differential equation.ex
+ 4ex y = 3, x > 0
A. y = e-x + e-4x, x > 0 B. y = e-x + Ce-4x, x > 0 C. y = e-4x + Ce-x, x > 0 D. y = ex + Ce-4x, x > 0
Mathematics
Factor out the negative of the GCF; then factor completely.-14x3 + 14x2 + 28x
A. 14x(x + 2)(x - 1) B. -14x(x - 2)(x + 1) C. -14x(x + 2)(x - 1) D. 14x(x - 2)(x + 1)
Mathematics
Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Mathematics
Solve the problem for the given information.Find the equation of a line passing through the origin and making a 
angle with the positive 
A. y = -x
B. y = 
x
C. y = 
x
D. y = x
Mathematics