Use Calculus and a Graphing Calculator to Find the Approximate $f(x)=0.1 x^{3}-15 x^{2}-14 x+60$

Multiple Choice

Use calculus and a graphing calculator to find the approximate location of all relative extrema.
- $f(x) =0.1 x^{3}-15 x^{2}-14 x+60$

A) Approximate local minimum at -0.465 ; approximate local maximum at 100.465
B) Approximate local minimum at -100.465 ; approximate local maximum at 0.465
C) Approximate local maximum at -100.465 ; approximate local minimum at 0.465
D) Approximate local maximum at -0.465 ; approximate local minimum at 100.465