A computer program displays a circular image of radius 6 in .?

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If the radius is decreased by X in , express the area of the image as a function of x. what are the domain and range of A=f(x)?

2007-09-29 12:10:09 · 1 answers · asked by ohoma 1 in Science & Mathematics ➔ Mathematics

A = pir^2, where r = radius = 6 inches
Let x = amount radius is decreased.
A = pi(6-x)^2
Domain of x is [0,6]
Range is [0, 36pi]

2007-09-29 12:20:19 · answer #1 · answered by ironduke8159 7 · 0⤊ 0⤋