Question

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A toy rocket was launched from the ground. The function f(x) = -16x2 + 192x shows the height of the rocket f(x), in feet, from the ground at time x seconds.
What is the axis of symmetry of the graph of f(x) and what does it represent? (3 points)

Answer 1

x = 12; it takes 12 seconds to reach the maximum height and 24 seconds to fall back to the ground
x = 12; it takes 12 seconds to reach the maximum height and 12 seconds to fall back to the ground
x = 6; it takes 6 seconds to reach the maximum height and 6 seconds to fall back to the ground
x = 6; it takes 6 seconds to reach the maximum height and 3 seconds to fall back to the ground

Answer 2

You will see that when x = 12 f(x) = 0, this means that the rocket takes 12 seconds to go up and all the way back down again. So x = 6 is the axis of symmetry, when the rocket is at it's highest point.

x = 6; it takes 6 seconds to reach the maximum height and 6 seconds to fall back to the ground

Answer 3

@Nurali Thank you so much you were a big help! c:

Answer 4

My Pleasure.

Answer 5

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