Solve the problem.The manager of a pet store has found that if the price of a dog collar is 
then x collars will be sold. An expression for the total revenue from the sale of x collars is R(x) = 90x - 
. Find the number of collars that will produce maximum revenue.
A. 400
B. 360
C. 720
D. 340
Answer: B
Mathematics
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Find the root. Assume that all variables represent positive numbers.
A. 100x2 B. 10x2 C. 31x2 D. Not a real number
Mathematics
Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = xi - yj
What will be an ideal response?
Mathematics
Solve the problem.If p > 1 and q > 0, what can be said about the convergence of 
?
A. Always diverges B. Always converges C. May converge or diverge
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. 1
Mathematics