Answer:
[tex]R(h) =\frac{D(h)}{T(h)}[/tex]
[tex]R(h)=\frac{h-19}{11h-185}[/tex]
Step-by-step explanation:
The speed is the distance covered by an object at a particular time. The average speed that Amiliya runs on a day in which she works h hours is R(h)=(-0.5h+9.5)/(-5.5h+92.5).
The speed is the distance covered by an object at a particular time. Therefore, it is the ratio of distance and time.
[tex]\rm{Speed = \dfrac{Distance}{Time}[/tex]
Given The distance, D, in miles, and time, T, in minutes, that she runs are given by the functions D(h)=-0.5h+9.5 and T(h)=-5.5h+92.5. Therefore, the average speed R is given as,
R(h) = D(h)/T(h)
R(h) = (-0.5h+9.5)/(-5.5h+92.5)
Hence, the average speed that Amiliya runs on a day in which she works h hours is R(h)=(-0.5h+9.5)/(-5.5h+92.5).
Learn more about Speed:
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