Evaluate the expression using the order of operations.

A. 0
B.
C. 2
D.


Answer: D

Mathematics

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Solve the problem.Find out how long it takes a $2700 investment to double if it is invested at  compounded quarterly. Round to the nearest tenth of a year. Use the formula .

A. 9 years B. 8.8 years C. 8.6 years D. 9.2 years

Mathematics

Solve the problem.The marginal cost for a product is given by C'(x) = 2.5 - 0.68x. Find the total cost function C(x), assuming the fixed costs are $120, that is 

A. C(x) = 120 - 0.68x B. C(x) = 2.5x - x2 + 120 C. C(x) = 2.5x - 0.34x2 + 120 D. C(x) = 2.5x - 0.68x2 + 120

Mathematics

Simplify.

A. 13 B. 84 C. 14 D. Not a real number

Mathematics

Simplify.(-5)-1

A. -  
B. -5
C. 5 
D.  

Mathematics