Determine whether each graph represents a function

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

Identify the parent function that can be used to graph the function f(x)=3(x-9)2

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.