Practice problem
Which of the following, when graphed, is discrete?
f(x)=x−5f(x)=x-5f(x)=x−5 for real numbers xxx
{(1,2),(3,4),(4,5),(6,7)}\{(1,2), (3,4), (4,5), (6,7)\}{(1,2),(3,4),(4,5),(6,7)}
g(x)=x3−xg(x)=x^3-xg(x)=x3−x for real numbers xxx
y=5x+7y=5x+7y=5x+7 for real numbers xxx
Type a concept, like “slope” or “photosynthesis”.