The function s(t) describes the position of a particle moving along a coordinate line, where s is in feet and t is in seconds. s(t) = t – 10t? + 25t + 6, t 2 0 (a) Find the velocity and acceleration functions. v(t): a(t): (b) Over what interval(s) is the particle moving in the positive direction? Use inf to represent o, and U for the union of sets. Interval: (c) Over what interval(s) is the particle moving in the negative direction? Use inf to represent co, and U for the union of sets. Interval:

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.7: More On Inequalities
Problem 44E
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The function s(t) describes the
position of a particle moving along a coordinate
line, where s is in feet and t is in seconds.
s(t) = t – 10t? + 25t + 6,
t > 0
(a) Find the velocity and acceleration functions.
v(t):
a(t):
(b) Over what interval(s) is the particle moving in
the positive direction? Use inf to represent co,
and U for the union of sets.
Interval:
(c) Over what interval(s) is the particle moving in
the negative direction? Use inf to represent oo,
and U for the union of sets.
Interval:
(d) Over what interval(s) does the particle have
positive acceleration? Use inf to represent ∞,
and U for the union of sets.
Interval:
Transcribed Image Text:The function s(t) describes the position of a particle moving along a coordinate line, where s is in feet and t is in seconds. s(t) = t – 10t? + 25t + 6, t > 0 (a) Find the velocity and acceleration functions. v(t): a(t): (b) Over what interval(s) is the particle moving in the positive direction? Use inf to represent co, and U for the union of sets. Interval: (c) Over what interval(s) is the particle moving in the negative direction? Use inf to represent oo, and U for the union of sets. Interval: (d) Over what interval(s) does the particle have positive acceleration? Use inf to represent ∞, and U for the union of sets. Interval:
(e) Over what interval(s) does the particle have
negative acceleration? Use inf to represent co,
and U for the union of sets.
Interval:
(f) Over what interval is the particle speeding
up? Slowing down? Use inf to represent co, and
U for the union of sets.
Speeding up:
Slowing down:
Transcribed Image Text:(e) Over what interval(s) does the particle have negative acceleration? Use inf to represent co, and U for the union of sets. Interval: (f) Over what interval is the particle speeding up? Slowing down? Use inf to represent co, and U for the union of sets. Speeding up: Slowing down:
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