The area of the region $\{(\text{x},\text{y}):\text{x}^2+\text{y}^2\leq1\leq\text{x}+\text{y}\}$ is:
- A$\frac{\pi}{5}$
- B$\frac{\pi}{4}$
- ✓$\frac{\pi}{4}-\frac{1}{2}$
- D$\frac{\pi^2}{2}$
Answer: C.
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Answer: C.
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