Is my answer correct? (Mins/Max CALC I) I feel like this is a trick question
f(x)=x^3-3x-5 on (−∞ ∞, ) has
A. only an absolute minimum
B. only an absolute maximum
C. both an absolute maximum and an absolute minimum
D. neither an absolute maximum nor an absolute minimum
E. Cannot be determined

Question

Is my answer correct? (Mins/Max CALC I) I feel like this is a trick question
f(x)=x^3-3x-5 on (−∞ ∞, ) has
   A.   only an absolute minimum     
  B.  only an absolute maximum  
  C.  both an absolute maximum and an absolute minimum 
 D.   neither an absolute maximum nor an absolute minimum 
 E. Cannot be determined

anonymous · Answer

Take the derivative and set it to zero.

anonymous · Answer

Ive done all of that and i chose D. --sorry i forgot to mention it