Jessica A.

# A Toy Rocket and a Drone Again

Functions  and  give the height, in feet, of a toy rocket and a drone,  seconds after they are released. Here are the graphs of  (for the rocket) and  (for the drone).

1. Which of the inequalities is true:  or ?
2. What was the height of the drone when the toy rocket hit the ground?
3. For what value of  is  true? What does this tell you about the drone and the toy rocket?

Tami R.

tutor
R(2)>D(2) R of 2 is greater than D of 2 on the graph. The point of the negative parabola (2,45) for R has a greater value at the 2 on the x axis that D at the coordinates (2,20)
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11/30/20

Tami R.

tutor
R(t) = D(T) where the two shown graphs of R and D meet at one point. So it is true of t that R(t) = D(t) at point (4.5,20)
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11/30/20

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