​laura has been measuring the length of her baby hair the first time it was 6cm long and after one month it was 2cm longer. laura notice that the hair continues to grow at this rate and represented in the following function L(m) = 2m +6 where m represent the number of months in with the hair is being measured. what is the M represent in the function?set up and solve the problem( include units) please explain how you got the answer help please.​