Mike has $25.00 to rent paddleboards for himself and a friend for 3 hours. each paddleboard rental costs $3.75 per hour

found it xd it ok yt

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.