The expression 5.1.15' gives the area, in square meters, damaged by a fire as a function of minutes since
the fire was discovered.
What does 5 represent in this expression?
Choose 1 answer:
It has been 5 minutes since the fire was discovered.
The area damaged by the fire is multiplied by 5 each minute.
An area of 5 square meters had been damaged by the fire by the time it was discovered.