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The marketing manager of a soda drink company wants to design a can woth a height that is four times the radius of the can.
A. Express the volume of tge can as a function of the radius r, f(r)
B. Express the volume of the can as a function of the heighy h, f(h)

Respuesta :

Edufirst
Volume of a cylinder:

V = area of the base * height

Area of the base = π(r^2)

A) h = 4r

f(r) = V(r) = [π(r^2) ] h = π(r^2)(4r) = 4π(r^3)

B) h = 4r => r = h/4

f(h) = V(h) = [π(r^2) ] h = [ π(h/4)^2 ]h = [π(h^2)/(16) ]h = π(h^3) / 16

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