A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC below is equal to the exterior angle.

What is the multiplicative rate of change of the exponential function shown on the graph?

On a piece of paper graph f(x)=5•(0.4)^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.)