Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release. How many units can you expect to sell in week 24?
A. 14,736 units
B. 8136 units
C. 8664 units
D. 2064 units
Answer: D
Mathematics
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Find the derivative.y = 
+ 4 sec x
A. y ' = - 
+ 4 tan2x
B. y ' = - 
- 4 csc x
C. y ' = - 
+ 4 sec x tan x
D. y ' = 
- 4 sec x tan x
Mathematics
Determine whether the given number is approximate or exact.The cost of gasoline is $0.979 per gallon.
A. Exact B. Approximate
Mathematics
Solve the problem.Find the volume of a cylinder with radius 8 cm and height 7 cm. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 753.6 cm3 B. 577.8 cm3 C. 1406.7 cm3 D. 376.8 cm3
Mathematics
Solve the problem.An employee earned $17,027 this year. This was a raise of 10% over last year. What was his salary last year? Round to the nearest dollar, if necessary.
A. $16,857 B. $15,324 C. $15,479 D. $17,017
Mathematics