How can i evaluate the moment using an array for variable, then finf max and min of interior values

[SFares]

Hello,

How can i evaluate the moment function using an array for my variables. Also need to determine the max moment and minimum moment values at interior points excluding the first value at x=0, and the max x value? please attached sheet where i have my questions inside the sheet. Thanks!

[Werner_E · Accepted solution]

The attached sheet should help.

[SFares]

Thanks alot Werner!