Graph by converting to exponential form first.y = log2(x - 1)
A. 
B. 
C. 
D. 
Answer: A
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.1 B. 9 C. -0.1 D. 0.2
Write the equation of a sine function that has the given characteristics.The graph of y = x2, shifted 9 units upward
A. y = x2 + 9
B. y = 9x2
C. y = x2 - 9
D. y = 
Factor completely. If the polynomial cannot be factored, write "prime."x2 - 10xy + 25y2
A. (x - 5y)2 B. Prime C. (x - 5y)(x + 5y) D. (x + 5y)2
If the supply function for a commodity is 
where p is in millions of dollars and x is the number of thousands of units. What is the producer's surplus when 8 thousand units are sold? Round your answer to the nearest million dollars.
?
A. 1,293 million dollars B. 3,296 million dollars C. 3,316 million dollars D. 170 million dollars E. 3,356 million dollars