Question

Nala is escaping from the dragon's lair! She is running toward the entrance of the lair at a speed of 9.2 meters per second. The entrance 180 meters away. The distance d between Nala and the entrance of the lair is a function of tt, the time in seconds since Nala began running.

Answer 1

Answer:

Nala will take 19 seconds to reach the entrance

Answer 2

Answer:

The function would be,

d(t) = 180 - 9.29td(t)=180−9.29t

Step-by-step explanation:

Given,

The total distance between starting point to entrance= 180 meters,

Speed = 9.29 meter per sec,

Since, Distance = speed × time,

So, the distance covered in t seconds = 9.29t meters,

Thus, the remaining distance after t seconds from starting point to entrance, say d(t) = total distance - covered distance in t seconds

\implies d(t) = 180 - 9.29t⟹d(t)=180−9.29t

Which is the required function.

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