Find an equation for the indicated ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Answer: B
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Provide an appropriate response.Multiply: 
× 
× 
A. 
B. 
C. 
D. 
E. none of the above
Solve the problem.The orbit of a planet in a distant system is an ellipse with a sun at one focus. For x and y in millions of miles, the equation of the orbit is 
Find the smallest distance (the perigee) from the planet to the sun. (Use the fact that 
where 
) 
A. 90.4 million mi B. 81.7 million mi C. 73 million mi D. 72.6 million mi
Sketch the plane curve represented by the given parametric equations. Then use interval notation to give the relation's domain and range.x = 3t, y = t2 + t + 3
A. Domain: (-?, ?); Range: [2.75, ?)
B. Domain: (-?, ?); Range: [2.75, ?)
C. Domain: (-?, ?); Range: 
, ?)
D. Domain: (-?, ?); Range: [3, ?)
Find a general term for the geometric sequence.32, 16, . . .
A. an = 32
n - 1
B. an = 32(2) n - 1
C. an = 32
n - 1
D. an = 32
n - 1