Find an equation for the ellipse.Center at (0, 0); focus at (4, 0); vertex at (6, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Solve the equation:
Mathematics
Solve the equation by completing the square.9x2 + 36x + 20 = 0
A. 
B. 
C. 
D. 
Mathematics
Depreciation Suppose the cost of a business property is $480,000 and a company wants to use a straight-line depreciation schedule for a period of 240 months. If y is the value of this property after x months, then the company’s depreciation schedule will be the equation of a line through (0, 480,000) and (240, 0). Write the equation of this depreciation schedule.
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Mathematics
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
A. 
B. 
C. 
D. 
Mathematics