Question

A tree is currently 10 feet tall and grows 2 feet per year.

Write a formula for the table in slope-intercept form.
f(3) =

How tall, in feet, will the tree be in 15 years?

Answer 1

f=2x+10
The tree will be 40 feet tall in 15 years because 2(15)+10=40 or 30+10=40.

Answer 2

10+2x

the tree would be 40 feet tall in 15 years.