W=4N+10
N+4N+10=90
5N=80
N=80/5=16
Answer:
f(x) = -2x³ +17x² -32x +23
Step-by-step explanation:
It is usually sufficient to try the values of a couple of points in the offered answer selections to see which one fits.
You have not provided any choices, so I have used the polynomial regression function of a graphing calculator to compute the cubic that will represent these ordered pairs exactly.
There are 4 1/16 pieces
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