Question

f(x)= -3x^2 + 24x -4 Is the equation a min. or max. value and what is the value?

Answer 1

f(x)\[f \prime(x)=-6x+24=0\rightarrow x=-3 \rightarrow f \prime \prime =-6 \it is a negative \rightarrow \]

Answer 2

you are a max

Answer 3

the correct awnser is 44...Im just confused at how that is

Answer 4

applying the test of first and second derivative