# math please help

posted by
**Amy** on
.

. (square rt. 5) +(square rt. 25) =

2. If y=x^2 +2x +k passes through the point (1,2), then k =

3. If F(x) = 1 +3x^2, where X cannot be 0, then F(x+2)-F(2)/(x) =

posted by
**Amy** on
.

. (square rt. 5) +(square rt. 25) =

2. If y=x^2 +2x +k passes through the point (1,2), then k =

3. If F(x) = 1 +3x^2, where X cannot be 0, then F(x+2)-F(2)/(x) =