Express the following in interval notation.
A. (-6, -2]
B. (2, 6]
C. [-6, -2)
D. [2, 6)
Answer: D
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Solve the problem.When the Scott Pearson Company's stock increased in value from $100.00 per share to $125.00 per share, the company reported to its shareholders that their stocks had increased in value by 
The stock price remained fixed at $125 for a few months, but then it fell back down to $100.00 per share. At that time, the Scott Pearson Company reported to the shareholders that the stock had decreased by 
Since the price increase and decrease are exactly the same, should not the percent increase and the percent decrease be equal? Explain.
What will be an ideal response?
Solve the equation.
- 
= 1
A. {3, -1} B. {3} C. ? D. {-3, -1}
Solve.
= 4
A. 3 B. -2 C. 2 D. No solution
Find an equation for the conic. If the conic is a parabola, assume that the vertex is at the origin. If the conic is an ellipse or hyperbola, assume that it is centered at the origin.Focus at (0, -8) and e = 1
A. y = - 
x2
B. x = - 
y2
C. y = - 
x2
D. y = 
x2