Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.y1/3(y4/9 - 9y2/9)
A. y3/4 - 9y3/2
B. y4/27 - 9y2/27
C. y-1/9 - 9y1/9
D. y7/9 - 9y5/9
Answer: D
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Find x.log4 x = log4 3
A. x = 3
B. x = -3
C. x = 4
D. x = 
Without graphing the function, state the shift(s) that are applied to the graph of 
to graph the given function. If the graph of 
must be rotated about the x-axis, state this.f(x) = (x - 7)2
A. right 7 units B. up 7 units C. left 7 units D. down 7 units
Find all the factors for the number.70
A. 1, 3, 5, 7, 9, 15, 20, 35, 70 B. 1, 2, 5, 7, 35, 70 C. 1, 2, 5, 7, 10, 14, 35, 70 D. 1, 2, 3, 5, 7, 9, 15, 35, 70
Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
A(n) 
is an expression that can be written in the form 
, where P and Q are polynomials and Q is not 0.
A. ratio B. proportion C. complex fraction D. rational expression