Find the domain of the rational function.f(x) = 
A. {x|x ? 1, x ? 2, x ? -6}
B. all real numbers
C. {x|x ? -1, x ? -2}
D. {x|x ? 1, x ? 2}
Answer: D
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Solve the problem.Find the slope of the tangent to the curve of the intersection of the surface 
and the plane x = -5 at the point 
A. - 
B. - 
C. - 
D. - 
Answer the question.Graph the parabola 
. Now graph 
. What is the effect of multiplying by 5?
What will be an ideal response?
Online retail sales stood at $23.5 billion for 2000. For the next 2 years, they grew by 32.8% and 27.7% per year, respectively. For the next 6 years, online retail sales are projected to grow at 30.5%, 19.3%, 24.4%, 13.8%, 17.8%, and 10.3% per year, respectively. What are the projected online sales for 2008? Round your answer to the nearest tenth. ? $__________ billion
Fill in the blank(s) with the appropriate word(s).
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 