Which statement best describes the function below? f(x) = 2x2 + 2x2 –
A. It is a one-to-one function.
Ο Ο Ο
B. It is not a function.
C. It is a many-to-one function.
D. It fails the vertical line test.

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.