For the Function, Find the Average Rate of Change of F

Multiple Choice

For the function, find the average rate of change of f from 1 to x: $\frac { f ( x ) - f ( 1 ) } { x - 1 } , x \neq 1$
- $f ( x ) = x ^ { 3 } + x$

A) $x ^ { 2 } + 2$
B) $\frac { x ^ { 3 } + x + 2 } { x - 1 }$
C) $x ^ { 2 } + x + 2$
D) 1