Determine the type of curve from the given information.The cross section of a satellite dish is in the shape of a conic with the receiver sitting at the only focus point. What type of curve is represented by the cross section of the dish?
A. Circle
B. Ellipse
C. Parabola
D. None of the above
Answer: C
Mathematics
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Find the equation of the curve described by the given information.Ellipse: vertices 
and 
, focus 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve and graph. Write the solution in interval notation.
- 9 ? 1
A. (-?, -19] ? [-17, ?)
B. (-?, -19] ? [1, ?)
C. [-19, 1]
D. [ 17, 19]
Mathematics
Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) > 0
A. -4 < x < 2 B. x < -4 or x > 2 C. x < -4 D. No solutions
Mathematics
Simplify.
A. -4 B. 4 C. -16 D. 16
Mathematics