The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.
, 
, 
, 
, ...
A. an = 
B. an = 
C. an = 
D. n(n + 2)
Answer: A
Mathematics
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Write the expression as one logarithm.log6 19 - log6 21
A. log12 
B. log6 
C. log6 -2
D. log6 
Mathematics
The graph is a translation of one of the basic functions defined by y = x2, y = x3, y = 
, or y = 
. Find the equation that defines the function.
A. y = 
B. y = 
C. y = 
+ 1
D. y = 
- 4
Mathematics
A tank initially contains 150 lb of salt dissolved in 400 gal of water. Saltwater containing 5 lb of salt per gal enters the tank at the rate of 5 gal per min. The mixture (kept uniform by stirring) is removed at the same rate. How many pounds of salt are in the tank after an hour?
What will be an ideal response?
Mathematics
Tell whether or not the relation is a function.{(-6, -4), (-6, 9), (1, 1), (6, 4), (9, -9)}
A. No B. Yes
Mathematics