I see a child on the counter while a women is taking a photo in the background. The child is then looking back at this lady who is not paying attention to the kid.
This is how to solve the problem:
We know that the growth rate is constant for both species of plants. So we can say that the height is a linear function of the number of days since d = 0.
Assumption (1 month = 30 days)
Species A:
Growth rate = 2 cm/month = 2/30 = 1/15 cm/day
Height on day d = 0: 12 cm
Height: H(d) = 12 + d/15
Species B:
Growth rate = 3 cm/month = 3/30 = 1/10 cm/day
Height on day d = 0: 10 cm
Height: H(d) = 10 + d/10
<em>I don't think you can or at least have unlimited course hero... I just looked it up. :/ Not sure. I would have to look more into my sources.</em>
