2. what is the range of the relation?

{(1, 2), (2, 4), (3, 1), (4, 3)}

(points : 4)
{1, 2, 3, 4}
{1, 2, 3, 4, 6}
{2, 4, 6}
{2, 4}

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.