Let f(x)=x^{2}+6 x+1, and let R denote the set of points (x, y) in the coordinate plane such that
f(x)+f(y) \leq 0 \quad \text { and } \quad f(x)-f(y) \leq 0
The area of R is closest to
Answer Choices
A. 21
B. 22
C. 23
D. 24
E. 25
Let f(x)=x^{2}+6 x+1, and let R denote the set of points (x, y) in the coordinate plane such that
The area of R is closest to
Answer Choices
A. 21
B. 22
C. 23
D. 24
E. 25