Find the Relative Rate of Change of F (X) with Respect

Multiple Choice

Find the relative rate of change of f (x) with respect to x for the prescribed value x = 1. f (x) =5x³ - x² + 5

A) 13
B) $\frac { 1 } { 13 }$
C) $\frac { 9 } { 13 }$
D) $\frac { 13 } { 9 }$