Determine the constant term that must be added to the expression to make it a perfect square.x2 - 
x
A. - 
B. - 
C. 
D. 
Answer: D
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Solve the absolute value inequality. Write your answer in interval notation.
> 0.7
A. (-?, 3.3) ? (4.7, ?) B. (-4.7, -3.3) C. (-?, -4.7) ? (-3.3, ?) D. (3.3, 4.7)
Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. hyperbola, directrix is perpendicular to the polar axis at a distance 
units to the left of the pole
B. hyperbola, directrix is perpendicular to the polar axis at a distance 3 units to the right of the pole
C. ellipse, directrix is perpendicular to the polar axis at a distance 
units to the right of the pole
D. ellipse, directrix is perpendicular to the polar axis at a distance 3 units to the left of the pole
For the given functions f and g, find the requested composite function value.f(x) = 18x2 - 7x, g(x) = 7x - 2;
Find (f ? g)(4).
A. 1818 B. 11,986 C. 10,168 D. 6760
Solve the problem.A boat can go 21 mph in still water. It takes as long to go 180 miles upstream as it does to go downstream 240 miles. How fast is the current?
A. 6 mph B. 1 mph C. 3 mph D. 2 mph