Mathematics, 09.10.2019 21:50 zoieisabella

Aparticle moves on x-axis blah its initial position is x(0)=27 and velocity is v(t)=4t^3-30t^2+72t-54 on the time interval 0
a) write an expression for the position function (general)
t^4-10t^3+36t^2-54t+c
b) when does the particle change direction?

c) find t when particle is moving to the right

d) find velocity when acceleration is 0.
ez, don't need for this one.

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Aparticle moves on x-axis blah its initial position is x(0)=27 and velocity is v(t)=4t^3-30t^2+72t-...