Determine if each graph represents a function explain your reasoning. Please do 9 and 10 :)

Which statement about the graph of y = 8(0.25)^2

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?