In this project you create a MATLAB script to plot two functions on one graph. Consider displacement of an

object that is given by

$x(t)=-15e^{-4t}-68t{e}^{-4t}+8sint+15cost+t^2{e}^{-4t}$

plot $x(t)$ and $\frac{dx}{dt}$ in a single graph. Assign meaningful title, axis labels, and legend to your graph, and make sure

the numbers as well as graph itself is large and boldface. Also, assign $x(t)$ to the left vertical axis and $\frac{dx}{dt}$ to the

right vertical axis. Your plot shall look like similar or better than the one shown below $($note that this plot does not

have a title but yours should have one$).$ You will use this script to plot many other functions during this semester.

You need to submit your script, and a pdf of the plot that you generated with this script.