The graph represents the parking fees at a mall parking lot.

what does the point (1, 2) represent?

parking costs $1 per hour for the entire day.
parking costs $2 per hour for the entire day.
parking costs $1 per hour for the first 2 hours only.
parking costs $2 per hour for the first hour only.

Based on the graph of the parking fees at a mall parking lot, the point (1,2) represent that Parking costs $2 per hour for the first hour only. In point (1,2), 1 is the value of X which represents Time in Hours and 2 is the value of Y which represents Cost or $ per hour for the duration of the parking in the lot. Hope this helps.

C. expression because any expression or equation may contain more than one variable