Traveling at an average rateaverage rate of between 40 and 50 miles per hour for 4 to 7 hours select the best estimate for the d
1 answer:
You might be interested in
We effectively rewrite the equation as
In order for the LHS to be defined, we need to restrict , or
. Now, the LHS will vanish when the numerator is 0, which happens for
This value is indeed smaller than 4, so the solution is .