Find the coordinates of the points of inflection for the function.f(x) = 
A. (-8, 1)
B. (-9, 0)
C. (-5, 2)
D. There are no points of inflection.
Answer: D
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Give a geometric description of the set of points whose coordinates satisfy the given conditions. x2 + y2 + z2 > 64
A. All points outside the cylinder with radius 8 B. All points outside the sphere of radius 8 C. All points on the surface of the cylinder with radius 8 D. All points in space
Factor completely. If the polynomial is prime, then state this as your answer.25x2 + 80xy + 64y2
A. (5x - 8y)2 B. (5x + 8y)(5x - 8y) C. (5x + 8y)2 D. (25x + y)(x + 64y)
Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 9 miles, the distance between the cars was 3 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 18 mi B. 9 mi C. 15 mi D. 12 mi
Find the distance between the points, and find the midpoint of the line segment joining them.(-1, -9) and (-3, 3)
A. 2
; 
B. 2
; 
C. 10; (2, -12)
D. 10; (-4, -6)