Find the domain of the expression.
A. {x|x ? 1 and y| y ? 1}
B. {x|x ? 0 and y| y ? 0}
C. {x|x ? -y}
D. {x|x ? y}
Answer: D
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Solve the problem.Find the least squares line through the points 
and 
A. y = -27x + 68 B. y = 15x + 84 C. y = -27x + 84 D. y = 15x + 68
Evaluate the definite integral.
A. 
B. 
C. 3
D. 
Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 3 and x = 8 using the midpoint sum with two rectangles of equal width.
A. 
B. 
C. 
D. 
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 3
, y2 = -3
B. y1 = 6
, y2 = -6
C. y1 = 6
, y2 = -6
D. y1 = 6
, y2 = -6