The domain of a graph is: A all of the possible x values
B all of the possible y values
C a set of coordinates that create a function
Da set of coordinates do not create a function

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.