Question

Ever since Renata moved to her new home, she's been keeping track of the height of the tree outside her window. H represents the height of the tree (in centimeters), t years since Renata moved in.H=210+33tHow fast does the tree grow?centimeters per year

Answer 1

To know how fast the tree grows in centimeters per year, we just have to put 1 year into the expression for the height and find the height:

$H=210+33t$

We use t = 1. 210 is the initial height of the tree, so The tree grows 33 centimeters per year