Based on the table, which best predicts the end behavior of the graph of f(x)?
As x, f(x) , and as x → --, f(x) →
As x, f(x) ", and as x → --, f(x) +-".
As x , f(x) -6, and as x →-0, f(x) = .
As x -+-, f(x) +-, and as xn--, f(x) →
—-.

Out of the 150 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking?