Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with vertices (±6, 0) and foci at (±5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Find the point(s) at which the given function equals its average value on the given interval.f(x) = 3 - x2; [-4, 5]
A. ±
B. ±3
C. 
D. ±
Mathematics
Use a graphing calculator to solve the equation to the nearest tenth.x3 + x2 - 7x - 7 = 0
A. 1, 3.5, -3.5 B. -1, 2.6, -2.6 C. 1, 2.6, -2.6 D. 1, 2.6i, -2.6i
Mathematics
Solve the problem.The height h in feet of a frisbee thrown is given by 
, where x is the time traveled in seconds. The frisbee is released at a height of 
At what time will the height of the frisbee be 
again? (Round your answer to the nearest tenth of a second, if necessary.)
A. 10.1 sec B. 12.5 sec C. 5.1 sec D. The height of the frisbee will never be 3 feet again.
Mathematics
Graph the equation.f(x) = x2 - 1
A. 
B. 
C. 
D. 
Mathematics