Dora drove 80 km in 40 minutes then 120 km in 1 hour and then the final 200km took him 1 hour 20 minutes. what is his average sp
1 answer:
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Answer:
0
Step-by-step explanation:
We have the two functions:
And we want to find (f-g)(144).
This is the same thing to f(144)-g(144).
So, let’s determine the value of f(144) and g(144) first:
And:
Hence:
Our final answer is 0.
