Please help! Identify the graph for (image below) Answers: (also images below)
no links please!

Given the graph below state whether or not the relation is a function, and give the domain and range.

Which of the following is the true for f(x) = 5cos

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.