Consider the Two-Parameter Family of Curves $y=\alpha x+\frac{b}{x}$ , With $a>0$ And $b>0$

Multiple Choice

Consider the two-parameter family of curves $y=\alpha x+\frac{b}{x}$ , with $a>0$ and $b>0$ .Is the graph concave up or down at the point x = -2?

A) Concave down
B) Concave up
C) It depends on the values of a and b