Suppose \(\displaystyle f(t) = tH(t)\) and \(\displaystyle g(t) = t^2H(t)\)

a) Sketch the graph of \(\displaystyle f(t)\) and \(\displaystyle g(t)\) over the interval \(\displaystyle 0 \leq t \leq 2\)

I can see part of the graph on Wolfram but I'm pretty stuck...