Author: Created by Mr Lafferty@mathsrevision.com
Date: 23 June 2013

g(x)=kf(x)

k = 1 (slider from -3 to 3, step 0.5)
f(x) = sin(x°)
fx: "f(x)=" + (LaTeX[f]) + ""
gx: "g(x)=" + (LaTeX[k]) + "" + (LaTeX[f]) + ""
g(x) = (k * f(x))