Write the equation of the line in slope-intercept form.m = 
, y-intercept (0, -2)
A. y = 
x + 2
B. y = 
x - 2
C. y = - 
x + 2
D. y = - 
x - 2
Answer: B
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Graph the given equation, indicating vertices, foci, and asymptotes (if it is a hyperbola).
- 
= 1
A. 
B. 
C. 
D. 
Solve the inequality. Write the solution set in interval notation.x2 - 6x - 16 > 0
A. (-?, -8) ? (2, ?) B. (-8, 2) C. (-2, 8) D. (-?, -2) ? (8, ?)
Determine where the function is increasing and where it is decreasing.f(x) = x2 + 8x + 7
A. increasing on (-4, ?) decreasing on (-?, -4) B. increasing on (-?, -9) decreasing on (-9, ?) C. increasing on (-9, ?) decreasing on (-?, -9) D. increasing on (-?, -4) decreasing on (-4, ?)
Solve the problem.A product sells by word of mouth. The company that produces the product has noticed that revenue from sales is given by 
where x is the number of units produced and sold. If the revenue keeps changing at a rate of 
per month, how fast is the rate of sales changing when 1800 units have been made and sold? (Round to the nearest dollar per month.)
A. $339,411/month B. $12/month C. $21,213/month D. $10,607/month