Acircle with radius of 2cm sits inside a circle with radius of 4cm what is the area of the shaded region

ANSWER

EXPLANATION

We want to find the area of the shaded region.

We find the area of the smaller circle and subtract from the area of the larger circle.

Area of smaller circle is

Area of larger circle is

The area of the shaded region is:

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option

answer: check all that apply, where the options?

step-by-step explanation: