Answer:
I think it's D but I am not sure.
The guy ran at a speed of 8.07783 MPH
Here's how I got my answer:
1 km/hr. = 0.621371
So, if you do
you will get your answer: 8.07783 MPH
I supppose the answer is F(X)=X²+4, you can use the vertex to confirm.
Answer:
x=3
Step-by-step explanation:
its should be equal
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