Problem $2\mathrm{.}3$

a$)$ Explain what happens when the following commands are run in MATLAB.

$x=3^{{?}^{{?}^{?}}}2$

$x=x+1$

$x=2^{{?}^{{?}^{?}}}3$

b$)$ What is the purpose of the semicolon in the first and third lines?

c$)$ What is the value of $x$ after the commands are run?