Solve the problem.If the price for a product is given by p = 6400 - x2, where x is the number of units sold, then the revenue is given by R = px = 6400x - x3. How many units must be sold to give zero revenue?
A. 0, 6400
B. 0, 80
C. 6400
D. 0
Answer: B
Mathematics
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Write using exponential notation.15 × 15 × 15 × 15
A. 415 B. 151 C. 4 × 15 D. 154
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Find the probability.Each of ten tickets is marked with a different number from 1 to 10 and put in a box. If you draw a ticket from the box, what is the probability that you will draw 5, 6, or 4?
A. 
B. 
C. 
D. 
Mathematics
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = e2x + 32x + y = 3
A. (0.75, 4.50) B. (-0.75, 4.50) C. (-0.75, -4.50) D. (0.75, -4.50)
Mathematics
Find the general solution for the differential equation.
= 4e3x
A. y = 
e3x + C
B. y = 4e3x + C
C. y = 12e3x + C
D. y = 
e3x + C
Mathematics