Solve the Problem $$f ( x ) = 3 x ^ { 3 } + 2 x ^ { 2 } - 9 x + 4$$

Multiple Choice

Solve the problem.
-Determine if the lower bound theorem identifies -4 as a lower bound for the real zeros of f (x) . $$f ( x ) = 3 x ^ { 3 } + 2 x ^ { 2 } - 9 x + 4$$

A) Yes
B) No