graph polynomial using 2d array

[jpetrilli]

So here is the assignment given...

Use only one function, main for this program. Calculate the values of y based on values of x
from −10≤x≤10 by increments of 0.5. Store the x values in a single dimensional double
array and the y values in another single dimensional double array.

Find the minimum and maximum values for y. Use these values to scale the y axis into 50
divisions. The x axis is already divided into 41 divisions. Use the resulting scaling to find the
row and column of a 50X41 character array in which to place a marker indicating a point on the
polynomial curve.

I'm having trouble getting this program to work. Any advice would be appreciated.