What is the average rate of change of f(x)=1/4x2-4 over the interval from 0 to 3?

Pls , the question is in the picture!

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. ?

The distributive property allows you to say that 3(x − 1) = 3x −