Determine the Slope and Y-Intercept of the Function $f ( x ) = - \frac { 1 } { 2 } x + 3$

Multiple Choice

Determine the slope and y-intercept of the function.
- $f ( x ) = - \frac { 1 } { 2 } x + 3$

A) $m = 3 ; b = - \frac { 1 } { 2 }$
B) $m = \frac { 1 } { 2 } ; b = - 3$
C) ${ m } = - \frac { 1 } { 2 } ; \mathrm { b } = 3$
D) $\mathrm { m } = - 2 ; \mathrm { b } = - 3$