with a function y(x) how can i plot 2y(3-x)

ive created a piecwise function y(x) = ...

now im tasked with plotting the functions say y(2x) or 2y(3-x). how can i do this using fplot()

thanks for the help!

Answer 1

[Chunru]

syms x
y = piecewise(x<0, 0.1*x^2, x>0, .5*x)

y = 

g = subs(y, x, 2*x)

g = 

fplot(g)