For this case we convert the mixed numbers to fractions:
Dwight:
Mike:
It is observed, that in fact, Mike takes more time to travel the road.
We subtract to know how much more time it takes Mike:

So, Mike takes
hours more than Dwight to walk the road.
Answer:
Mike takes
hours longer than Dwight to walk the road.
Answer:
First choice
-∞ < y< ∞
Step-by-step explanation:
In this function,we need to use graph in order to find out the range.
Graph is attached.
Don’t open the file it takes your information
C. Action: Divide both sides by 3.