Question: The function v(t)equals t cubed minus 8 t squared plus 15 t , 0less than or equals tless than or equals 7 , is the

The function

v(t)equals

t cubed minus 8 t squared plus 15 t,

0less than or equals

tless than or equals7,

is the velocity in m/sec of a particle moving along the x-axis. Complete parts (a) through (c).

a. Graph the velocity function over the given interval. Then determine when the motion is in the positive direction and when it is in the negative direction.

b. Find the displacement over the given interval.

c. Find the distance traveled over the given interval.

I need help on how to solve b and c

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