Evaluate the Integral by Using a Substitution Prior to Integration $$\int _ { 0 } ^ { 1 } \frac { x } { \sqrt { x + 1 } } d x$$

Multiple Choice

Evaluate the integral by using a substitution prior to integration by parts.
- $$\int _ { 0 } ^ { 1 } \frac { x } { \sqrt { x + 1 } } d x$$

A) $- 1.33$
B) $- 2.27$
C) $- 0.94$
D) $0.39$