The graph of 
is given in the figure. State whether 
or 
A. a < 0
B. a > 0
Answer: A
Mathematics
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Find the derivative of the function by using the rules of differentiation.
?
?
A. 
B. 
C. 
D. 
Mathematics
Solve.One number is 3 less than a second number. Twice the second number is 27 less than 5 times the first. Find the two numbers.
A. -14 and -11 B. 12 and 15 C. 10 and 13 D. 11 and 14
Mathematics
Multiply and simplify. (k2 - 36) ? 
A. 
B. 
C. 
D. 
Mathematics
Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by
, 
, where x is the number of machines used. What is the minimum average cost? Round your answer to the nearest dollar.
?
A. $0 B. $35 C. $490 D. $245 E. $8,582
Mathematics