Answer:
50.5
Step-by-step explanation:
the rates of change will be 210. if the change is after 8 hours than the rate of change will be 105
Rewrite the limit as

Then both numerator and denominator approach infinity (with different signs, but that's not important). Applying L'Hopital's rule, we get

32.54=4.313805+0.3012446(x)
x=

x= 93.698592439499