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Question
Difficulty Level:

Easy

MCQ

A particle moves along the xx-axis. The function x(t)x(t) gives the particle’s position at any time t0t \geq 0 :x(t)=t42t24{x}({t})=t^{4}-2 t^{2}-4
What is the particle’s velocity v(t){v}({t}) at t=1{t}=1 ?

Select all that apply :

00

11

1-1

22

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