What is the range of the function graphed below?

Which is an equation for the nth terms of the sequence 12,15,18,21

Will give brainliest summations with algebraic expressions image shown

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