R Plotting a Function Curve

commandline session

> curve(x^3 - 5*x, from=-4, to=4)
> png(file="RcurveA.png")
> curve(x^3 - 5*x, from=-4, to=4)
> dev.off()
null device
          1
> png(file="RcurveB.png")
> curve(x^3 - 5*x, from=-4, to=0)
> dev.off()
null device
          1
> png(file="RcurveC.png")
> curve(x^3 - 5*x, from=10, to=50)
> dev.off()
null device
          1
>

RcurveARcurveBRcurveC

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