Question: A wire of length 8 centimeters is such that the mass between its left end and a points x centimeters to the right is x3

A wire of length 8 centimeters is such that the mass between its left end and a points x centimeters to the right is x3 grams (Figure 12).

(a) What is the average density of the middle 2-centimeter segment of this wire?
(b) What is the actual density at the point 3 centimeters from the left end?

Mass isvg

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