The function d(t) =300,000t represents the distance (in kilometers) that light travels in t seconds
2 answers:
We were given the distance, d as a function of time, t.
.
To find
, we put
, in to

This implies that,


This means that in 15 seconds light covers a distance of 4,500,000 kilometers
Answer:
kilometers
Step-by-step explanation:
The distance traversed by a beam of light is represented as a function of time:

This function represents distance traveled by the light in 't' seconds.
Now d(15) means, how much distance will the light beam cover in 15 seconds.
Putting t=15 in the function will tell us the distance traveled by light in 15 seconds.

So basically light has traveled, 4.5 million kilometers in 15 seconds.
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