Alecia runs the air conditioner in her home when it is hot outside. She uses the equation C = 0.01m to determine the cost, C, in dollars, to run the air conditioner for m minutes. According to the equation, what is the cost per minute, of running Alecia's air conditioner?

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.