PLEASE HELP BEFORE I FAIL

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Which is the graph of the function y=2(4)^x

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)