Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Answer: D
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Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. - 
B. 
C. - 
D. - 
Solve.(x - 3)2 = 9
A. 12 B. ±3, -3 C. 6, 0 D. 0, -6
Identify which of the twelve basic functions listed below fit the description given.y = x, y = x2, y = x3, y = 
, y = 
, y = ex, y = 
, y = ln x, y = sin x, y = cos x, y = int (x), y = 
The three functions with end behavior 
f(x) = -?
A. y = x2, y = x3, y = int ( x)
B. y = x, y = 
, y = int ( x)
C. y = x, y = x3, y = int ( x)
D. y = x, y = x3, y = 
Solve the problem.It is observed that the sales of a certain recording fall to 75% of their original level one month after advertising stops. If this continues, what will be the sales after 4 months?Enter just a real number rounded to one decimal place (no units or symbols).
Fill in the blank(s) with the appropriate word(s).