Solve the problem.The revenue from the sale of a product is given by R = 1420x - 17x2 - x3. If the sale of 10 units gives a total revenue of $11,500, use synthetic division to find another number of units that will give $11,500 in revenue.
A. 28 units
B. 50 units
C. 13 units
D. 23 units
Answer: D
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Find the flux of the vector field F across the surface S in the indicated direction.F = 2xi + 2yj + z5k; S is portion of the cylinder x2 + y2 = 9 between z = 0 and z = 2; direction is outward
A. 36 B. 72 C. 72? D. -72?
Describe the situation with a linear inequality and then solve the inequality.A standard train ticket in a certain city costs 
per ride. People who use the train also have the option of purchasing a frequent rider pass for 
each month. With the pass, a ticket costs only
per ride. Use an inequality to determine the number of train rides in a month for which purchasing the monthly pass is more economical than purchasing the standard train ticket.
A. 22 or more times B. 23 or more times C. 24 or more times D. 25 or more times
Add. Do not use a number line except as a check.17 + (-1) + 2 + (-20) + 17 + (-7)
A. -64 B. 8 C. 6 D. 4
Write the numerator and denominator of the given fraction.
A. numerator: 16, denominator: 1
B. numerator: 9, denominator: 7
C. numerator: 7, denominator: 9
D. numerator: 
, denominator: 9