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can you give me the derivative of f ??

that's all it says :// :(

yes... but you need to calculate the derivative of f to find the relative max/min of the function.

isn't this for a calculus class?

algebra 2

oh... sorry....

its okay :) so you don't know how to do it? :(

i know how to do it on a calculater ..but i left it at a friends house ://

oh... so you're allowed to use the max/min functions of a graphing calculator?

yes

ok... hang on...

okaay :)

since you don't have your graphing calculator with you, use this online one....
https://www.desmos.com/calculator
i've also included the graph of your function here:

it looks like you have a relative max at x=-4 and a relative min at x=0

yeah, but that's not one of my options :(

the function you gave at the start does not coincide with those choices...

thats what it says in my homework

f(-4) = -4 so (-4, -4) is a relmax
f(0) = -36 so (0, -36) is a relmin

but that's none of the options ://

yes it is ..hmm :// :(

im just going to pick a or b:///.. lol ..thank you for the help though :)

idk what to say... :(

do you think you could help me with another one?

there has to be an error in those choices...
yw... :)

yes...

What is a cubic polynomial function in standard form with zeros 1, –2, and 2?

do you know how to multiply out binomials?

i know i have to write like (x+1)(x-2)(x+2)

not quite... since the zeros are 1, -2, and 2,
then the factors are (x-1)(x+2)(x-2)

so all you do is multiply out the 3 binomials....

how is it -1 when it says 1 ?

multiply out the binomials: (x-1)(x+2)(x-2) = \(\large x^3-x^2-4x+4 \)

thanks :)