Is this a good drawing??

What is a graph with a never ending line called?

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. ?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)