Solve problems using a calculator.An electric meter installed by a construction company at a work site read 986 kilowatt hours on July 1 and 10,649 kilowatt hours on August 1. How many kilowatt hours of electricity were used at the site during the month of July?
A. 9662 kilowatt hours
B. 9665 kilowatt hours
C. 9663 kilowatt hours
D. 9664 kilowatt hours
Answer: C
Mathematics
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Evaluate the derivative of the given function for the given value of x.y = 
, x = 8
A. 
B. 4
C. 
D. 
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Solve the problem.A supply function for a certain product is given by S(p) = 0.07p3 + 2p2 + 11p + 10. Approximately how many more units will a seller supply when the price changes from 
per unit to $15.50 per unit?
A. 48 B. 6 C. 24 D. 59
Mathematics
Graph the system of inequalities.x + 2y ? 4x + y ? 2y ? 0x ? 0
A. 
B. 
C. 
D. 
Mathematics