Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = 2t - 1, y = t2 + 4; -4 ? t ? 4
A. y = - 
x + 30; -6 ? x ? 4
B. y = x2 + 1; -2 ? x ? 2
C. y = 
x2 + 1; -6 ? x ? 4
D. y = 
x2 + 
x + 
; -9 ? x ? 7
Answer: D
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Graph.(x - 6)2 + (y + 4)2 = 4
A. 
B. 
C. 
D. 
Solve the problem.Sales at Andrea's Formal Wear Shop were 
this week. This is 
less than the sales last week. What were last week's sales?
A. $1,071 B. $1,060 C. $694 D. $1,049
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = x2 - 2
A. 
B. 
C. 
D. 
Solve the problem.Book sales on the Internet (in billions of dollars) in year x are approximated by f(x) = 1.84 + 2.1 ? ln x, where x = 0 corresponds to 2000. How much will be spent on Internet book sales in 2008? Round to the nearest tenth.
A. 6.2 billion B. 8.0 billion C. 6.0 billion D. 3.9 billion