Find the Intervals of Increase and Decrease for the Function $f ( x ) = x ^ { 2 } + 5 x - 3$

Multiple Choice

Find the intervals of increase and decrease for the function $f ( x ) = x ^ { 2 } + 5 x - 3$

A) Increasing for all x
B) Decreasing for $x < - \frac { 5 } { 2 }$ ; increasing for $x > - \frac { 5 } { 2 }$
C) Decreasing for $x > - \frac { 5 } { 2 }$ ; increasing for $x < - \frac { 5 } { 2 }$
D) Decreasing for all x