Answer: x^2+5x+6
Step-by-step explanation:
Answer: The input variable is the number of days since September 9th.. The unit for the input variable is single days.
When you are given an equation, there is an input and an output. In this case, you put in the number of days and the output is the distance between the lava and the road.
If you make a chart of the inputs and outputs, you will see that the lava is getting closer to the road.
Your going to want to first distribute the negative out to the second equation
65x+50y-16x+21y
49x+71y
