During a volleyball game, Christine dove to save a ball. The function h(t)=- 4.9ť + 8.5t approximates the height of the ball above the ground in metres, t seconds after it is hit. a. If the net is 2.23 m tall, the function d(t)=|-4.9t + 8.5t – 2.23 represents the distance between the bottom of the ball and the top of the net after t seconds. Explain this function.

Elementary Algebra
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ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
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Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
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Lesson 6.1: Absolute Value and Abs
A hot air balloon pilot raises a balloon 200 m from the ground, turns off the burner,
and allows the balloon to descend 60 m before turning the burner on again to raise it
another 170 m.
a. Use positive and negative values to represent each stage of the balloon's flight path.
Stegci
Staçe 2
ー66
Stage 3
ナ206
b. Use absolute values to determine the total vertical distance travelled by the balloon.
1200 +11-60/t//70/= 430
During a volleyball game, Christine dove to save a ball. The function h(t)=- 4.9ť + 8.5t
approximates the height of the ball above the ground in metres, t seconds after it is hit.
If the net is 2.23 m tall, the function d(t) =|-4.9 + 8.5t – 2.23
represents the distance between the bottom of the ball and the top
of the net after t seconds. Explain this function.
a.
© Thinkstock
Transcribed Image Text:Lesson 6.1: Absolute Value and Abs A hot air balloon pilot raises a balloon 200 m from the ground, turns off the burner, and allows the balloon to descend 60 m before turning the burner on again to raise it another 170 m. a. Use positive and negative values to represent each stage of the balloon's flight path. Stegci Staçe 2 ー66 Stage 3 ナ206 b. Use absolute values to determine the total vertical distance travelled by the balloon. 1200 +11-60/t//70/= 430 During a volleyball game, Christine dove to save a ball. The function h(t)=- 4.9ť + 8.5t approximates the height of the ball above the ground in metres, t seconds after it is hit. If the net is 2.23 m tall, the function d(t) =|-4.9 + 8.5t – 2.23 represents the distance between the bottom of the ball and the top of the net after t seconds. Explain this function. a. © Thinkstock
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