Did you graph it?
did you take the derivative of it, and solve that?
I have no idea what you are doing with your calculator. I recommend graphing.
I tried graphing but when I put it in I get a negatively shaped parabola (below the x-axis) and I don't know how to find the maximum value for a parabola like that.
= (36-2x)^2 x
I dont get the same equation as you
That's the same exact equation but you took out an x.
no, you had a 36 term.
Oops, that was a typo. I tried taking 4x out and typed in 36x^2. That should be 144x^2. Aka, the same equation as yours.
Can anybody figure out how to find the maximum value on this? -b/2a doesn't work either since it's not a 2nd degree polynomial.
I get a clear maximum around x=5.7
What are your window settings?
x max 10
y max 10000
An open box is to be made from a flat piece of material 18 inches long and 5 inches wide by cutting equal squares of length xfrom the corners and folding up the sides.
Write the volume Vof the box as a function of x. Leave it as a product of factors, do not multiply out the factors.
If we write the domain of the box as an open interval in the form (a,b), then what is a=?
and what is b=?
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