Maths $79,91$

Q$-4)$ Write MATLAB program to plot the following three mathematical functions each with its own diagram using the subplot command. The functions are:

$y=2x^3-4,z=x+1,v=x^2+3$

Use the vector $x=\left[\begin{array}{ccccccccc}1& 2& 3& 4& 5& 6& 7& 8& 9\end{array}\right]$ as the range for $x.$ Also add title and axis label information.

$[6]$