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Sati [7]
3 years ago
11

A ball is dropped from a certain height. The function below represents the height f(n), in feet, to which the ball bounces at th

e nth bounce:
f(n) = 9(0.7)n

What does the number 0.7 represent? (1 point)
A.The ball bounces to 30% of its previous height with each bounce
B.The height from which the ball was dropped at the nth bounce is 0.7 feet
CThe height at which the ball bounces at the nth bounce is 0.3 feet
D.The ball bounces to 70% of its previous height with each bounce
Mathematics
1 answer:
Vladimir [108]3 years ago
6 0
The answer is C hope I helped
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\langle1,0,8\rangle-\langle0,0,1\rangle=\langle1,0,7\rangle

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Then the cross product of these two results is normal to the plane:

\langle1,0,7\rangle\times\langle0,1,8\rangle=\langle-7,-8,1\rangle

Let (x,y,z) be a point on the plane. Then the vector connecting (x,y,z) to a known point on the plane, say (0, 0, 1), is orthogonal to the normal vector above, so that

\langle-7,-8,1\rangle\cdot(\langle x,y,z\rangle-\langle0,0,1\rangle)=0

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Let z=f(x,y). Then the volume of the region above R and below the plane is

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