1003261907

SubArea: 
Analyzing function behavior
Level: 
A
Project ID: 
1003261907
Accepted: 
1
Clonable: 
0
Easy: 
0
Determine the values of \( m \) and \( n \) (\( m \), \( n\in\mathbb{R} \)) such that the function \[ f(x)=x^4+mx^3-n+2 \] has a local minimum of \( -30 \) at \( x=3 \).
\( m=-4 \), \( n=5 \)
\( m = 4 \) \( n=5 \)
\( m=4 \), \( n=140 \)
\( m=-4 \), \( n=-5 \)