Question

what is the minimum value of the function = 2x^3 - 9x^2 + 12x + 4?
a.6
b.8
c.5
d.7

Answer 1

There is no minimum unless an interval is defined... this function can go pretty low, so to speak...

Answer 2

\[ 2x^3 - 9x^2 + 12x + 4 \]

Answer 3

i think its 8 guys what do you think?

Answer 4

How do you figure that?

Answer 5

http://www.wolframalpha.com/input/?i=minimum+value+function+y+%3D+2x%5E3+-+9x%5E2+%2B+12x+%2B+4

Answer 6

As zugzwang pointed out, this function has no global minimum. It goes to - infinity as x -> -infinity.

It does have a local minimum. However, I think it is a bad question, because the function does not have a (global) minimum.