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@rajathsbhat can u help?

not too sure about this :\

ok

@electrokid can u help?

are you allowed to use calculus for this? or algebra 2?

take derivative

okay the derivative is x^2(4x - 9)

or 4x^3 - 9x^2

set that equal to 0 and solve for x

okay

i get 0 and 9/4

that's your criticle number

okay so thats it?

how do i determine whether it is local maximum, minimum or either

neither*

1)Plug in Crit point into F''(t); positive number mean min, negative number mean max

okay thanks