How do I plot this function?
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I was asked to plot a graph of the function f(x)=y=0.25x^6-2x^5-3x^4+64x^3-212x^2+288x+2 between the interval [-20 20]for which I used the following code:
However, the resultant graph did not match the one I created on a basic graph plotter. What could I be doing wrong please? Thanks in advance