Can someone please help me with this question? (no links!!!)

What is a graph with a never ending line called?

Write the expression as a single natural logarithm. 2 in a - 4 in y

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?