Question: Line style and legend for graph

AoA... I want to plot the following functions

f(x)=sin(x)

g(x)=sin(x)-x+x^2

h(x)=cos(x)-sin(x)

I(x)=exp(x)-x

J(x)=sin(x)+exp(x)

in one coordinate having the line style and legend like attached file.

1-s2.0-S0377042714003331-main.pdf

With my best regards and sincerely
 
Muhammad Usman

PhD (Scholar)
Department of Mathematics

HITEC University Taxila Cantt Pakistan
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