Mathematics 1 Deneme Sınavı Sorusu #1222002

The position of a particle moving along the x-axis at time t is given by f(t) = 3t2 -2t (metre). Find the average velocity over the interval [4, 6]


5.6

6

8

13.6

28


Yanıt Açıklaması:

f(t) = 3t2 -2t

so:

f(6)=3*62 -2*6=96

f(4)=3*42 -2*4=40

Average velocity(4,6)=(f(6)-f(4))/(6-4)=(96-40)/2=28

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