It has been observed that a particular nail's growth is
directly proportional to time. When we last measured, the
nail was 3 mm and 3.5 mm exactly one week later. If the
nail continues to grow at this rate, determine the function
that represents the nail's growth and graph it.

Question

It has been observed that a particular nail's growth is 
directly proportional to time. When we last measured, the 
nail was 3 mm and 3.5 mm exactly one week later. If the 
nail continues to grow at this rate, determine the function 
that represents the nail's growth and graph it.

satellite73 · Answer

guess it grows $0.5$ mm a week right?

osprey · Answer

nail growth = (0.5 per week) times weeks ?
Graphs to a straight line ?
Patience and a good nail technician would be handy ?