If you have 15 questions how many can you get wrong to have an 80%

Ineed in figuring out this problem.

Which equation represents the function on the graph?

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis