particle moves along a straight horizontal line so that its position at any time is given by s(t) = t2 - 3t + 2  (1) When is the particle moving to the left? choices: a. [0, 1.5) b. [0, +infinite) c. [1,2] d. t> 1/2 (2) When is the particle speeding up?  choices:  a. [1.5, +infinite) b. [0, +infinite) c. [1,2] d. t> 1/2 (3) What is the displacement during the first 5 seconds?

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A particle moves along a straight horizontal line so that its position at any time is given by s(t) = t2 - 3t + 2 

(1) When is the particle moving to the left?
choices:
a. [0, 1.5)
b. [0, +infinite)
c. [1,2]
d. t> 1/2
(2) When is the particle speeding up? 
choices: 
a. [1.5, +infinite)
b. [0, +infinite)
c. [1,2]
d. t> 1/2

(3) What is the displacement during the first 5 seconds? 
(4) what is the acceleration when t=4? 

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