2. a. b. The distance travelled by an object is given by the equation: d(t) = 20t 1+t2 t20. What is the speed of the object at 1s, 2s, and 3s? When does the speed reaches 8 m/s? (Use the Quadratic Formula to find the roots)

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.10: Inverse Variation
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2.
a.
b.
The distance travelled by an object is given by the equation:
20t
1+t²
d(t) = -
"
t≥ 0.
What is the speed of the object at 1s, 2s, and 3s?
When does the speed reaches 8 m/s? (Use the Quadratic Formula to find the roots)
Transcribed Image Text:2. a. b. The distance travelled by an object is given by the equation: 20t 1+t² d(t) = - " t≥ 0. What is the speed of the object at 1s, 2s, and 3s? When does the speed reaches 8 m/s? (Use the Quadratic Formula to find the roots)
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