Let F(x, Y) = $x ^ { 2 }$ + 2xy

Multiple Choice

Let f(x, y) = $x ^ { 2 }$ + 2xy + $5 y ^ { 2 }$ + 2x + 10y - 3. At which point(s) does f(x, y) have possible maximum/minimum values?

A) (-1, 17) and (0, 5)
B) (-1, 0) and (0, 1)
C) (0, -1)
D) (1, 0)
E) none of these