Solve the Problem $f ( x ) = x \sqrt { x + 2 }$

Multiple Choice

Solve the problem.
-Estimate graphically the local maximum and local minimum of $f ( x ) = x \sqrt { x + 2 }$ .

A) No local maximum; local minimum: $- .35$
B) Local maximum: -.35; no local minimum
C) No local maximum; local minimum: $- 1.09$
D) Local maximum: $- .35$ ; local minimum: $- 1.09$