The question is to determine the percentage rate of change of the function at t=1 and t=5 for:

$\displaystyle f(t)=e^{0.3t^2}$

I calculated the derivative to be:

$\displaystyle f'(t)=e^{0.3t^2}0.6t$

So is the answer to t=1, an increase of 60%?

And for t=5, 750%?