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F(x)=|x| is shifted down 4 units and to the right 3 units.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.