Question

light travels about 186,000mi/s . The function gives the distance​ d(t), in ​, that travels in t seconds. How far does travel in ​16s.

Answer 1

The function d(t) = 186000t gives the distance, in miles, that light travels in t seconds.

To find how far light travels in 16 seconds, we can plug in t = 16 and calculate d(16).

Using my pocket calculator, I get:
d(16) = 186000 * 16 d(16) = 2976000

So, light travels 2976000 miles in 16 seconds. That’s about 12 times the circumference of the Earth or 0.05% of a light-year.