Give a geometric description of the set of points whose coordinates satisfy the given conditions. x2 + y2 + z2 > 25
A. All points outside the cylinder with radius 5
B. All points outside the sphere of radius 5
C. All points in space
D. All points on the surface of the cylinder with radius 5
Answer: B
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Sketch the graph and show all local extrema and inflection points.y = ex - 4e-x - 5x
A. Local minimum (2, -2)
No inflection point
B. Local maximum (0, -3)
Local minimum (ln 4, 3 - 5 ln 4)
No inflection point
C. Local maximum (0, -3)
Local minimum (ln 4, 3 - 5 ln 4)
Inflection point (
ln 4, - 
ln 4)
D. Local minimum (
ln 4, - 
ln 4)
No inflection point
Solve the problem.If $4000 is invested in an account that pays interest compounded continuously, how long will it take to grow to $4800 at 9%? Round to the nearest tenth.
A. 7.7 years B. 2.0 years C. 7.4 years D. 9.2 years
If 
and 
are two tangents to a circle at points A and B from a common point P outside the circle and PB = 82 cm, find PA.
What will be an ideal response?
Find the sum or difference.
- 
A. 
B. 0
C. 2
D. 