A pebble is dropped into a calm pond, causing ripples in the form of concentric circles. The radius (in feet) of the outer ripple is given by r(t) = 0.6t, where t is the time in seconds after the pebble strikes the water. The area of the circle is given by the function A(r) = πr2 . Find and interpret (A ∘ r)(t).
A pebble is dropped into a calm pond, causing ripples in the form of concentric circles. The radius (in feet) of the outer ripple is given by r(t) = 0.6t, where t is the time in seconds after the pebble strikes the water. The area of the circle is given by the function A(r) = πr2 . Find and interpret (A ∘ r)(t).
Chapter3: Functions
Section3.4: Composition Of Functions
Problem 93SE: A rain drop hitting a lake makes a circular ripple. If the radius, in inches, grows as a function of...
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A pebble is dropped into a calm pond, causing ripples in the form of concentric circles. The radius (in feet) of the outer ripple is given by r(t) = 0.6t, where t is the time in seconds after the pebble strikes the water. The area of the circle is given by the function A(r) = πr2 . Find and interpret (A ∘ r)(t).
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