Question: Operations on functions - MHF4U Suppose a rock dropped into a pond creating a circular ripple travelling at a speed of 45 cm/s in an

Operations on functions - MHF4U

Suppose a rock dropped into a pond creating a circular ripple travelling at a speed of 45 cm/s in an outward direction. (a) Let r be the radius of the circle. Express r as a function of time, t, in seconds. ()b) If A is the area of this circle as a function of the radius, find Aor and interpret it

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