Question

The position of an object moving along a line is given by the function

s(t)=-9t^2+27t

Find the average velocity of the object over [1,1+h]

Step 1

s(t)=-9t2 + 27t

Hence, s(1 + h) = - 9 x (1 + h)2 + 27 x (1 + h) = - 9h2 - 18h – 9 + 27 + 27h =...

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