Question $1$:

$(6$ Marks$)$

A$)$ Solve the following inequality, and write your answer in an interval notation

$3x-52x+7$

B$)$ Given that the function $f(x)=\frac{3x+1}{2}$ is one to one function, find $f^{-1}(x).$

C$)$ use the sandwich "squeeze" theorem to find $\underset{x0}{lim}(\frac{}{x})$