The accompanying figure shows the velocity v(t) of a particle moving on a horizontal coordinate line,for in the closed interval [0,10] .Answer the questions below using points,lists of points,intervals,or unions of intervals,whichever is appropriate

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The accompanying figure shows the velocity v(t) of a particle moving on a horizontal coordinate line,for in the closed interval [0,10] .Answer the questions below using points,lists of points,intervals,or unions of intervals,whichever is appropriate

The accompanying figure shows the velocity v(t) of a particle moving on a horizontal coordinate line,for in the closed interval [0,10] .Answer the questions below using points,lists of points,intervals,or unions of intervals,whichever is appropriate

The accompanying figure shows the velocity v(t) of a particle moving on a horizontal coordinate line,for  in the closed interval [0,10] .
Answer the questions below using points,lists of points,intervals,or unions of intervals,whichever is appropriate. 
Note:Derivatives at the endpoint  should be right-hand derivatives,while derivatives at the endpoint t=0 should be left-hand derivatives t=10.


When does the particle speed up? 
ANSWER: 
When does the particle slow down? 
ANSWER: 
When is the particle's acceleration positive? 
ANSWER: 

The accompanying figure shows the velocity v(t) of a particle moving on a horizontal coordinate line,for in the closed interval [0,10] .Answer the questions below using points,lists of points,intervals,or unions of intervals,whichever is appropriate
加速阶段是在0-1,4-5,8-9.减速阶段是在1-2,7-8,9-10.加速度为正是在0-1,7-8,9-10

太深奥，看不懂，感觉不好意思。

Accompanying you to The End of The Earth% 求翻译,as specifiled on the accompanying instruction sheet the healing garden ORGANICS FIG $LAVENDER 是什么 一道英语单选题The famous actress came onto the stage with her boy friend ______her.A.accompanying with B.accompanied with C.accompanying D.accompanied (1/2)帮我翻译一下：The history of human beings is accompanying the development 请教句子结构With the acceleration of industrial growth came acute urban crowding and accompanying social stress.with ...came...accompanying ...什么关系啊 at last,TKS a lot just for your accompanying me before.the end FIG是什么? FIG是什么意思 i know you are the one accompanying me to the end.怎么翻译 还有该怎么回复 There is no reason to live up to nothing when a man accompanying the woman in the side. I prefer having gour accompanying for life-long time to the short - time tenderness...I prefer having gour accompanying for life-long time to the short - time tenderness什么意思? Who is my Mr.Righ,accompanying me to spend the rest of my life happily.是啥 LOEV,NEVER SAY SORRY prefer having your accompanying for life-long time to the short-time tenderness. 英语翻译FIG.2 illustrates a crosssectional view of the packaged IC of FIG.1 at a stage in processing inaccordance with one embodiment of the present disclosure. _____of danger in the street at night,she had to go home,with a friend_____ her.A.Warned; accompanied B.Warning; accompanying C.Having warned; accompanied D.Having been warned; accompanying 翻译专利中的一句话FIG. 1 demonstrates an embodiment of the invention. $_SESSION[fig]是什么意思$_SESSION[fig]=result[$fig]