Answer:
2.6t +6.7 . . . . feet
Step-by-step explanation:
You want an expression that represents the height of a tree that begins at 6.7 feet and increases by 2.6 feet per year.
Increase
The increase is 2.6 ft per year, so after t years, the height will have increased by ...
2.6t . . . . feet
Height
The increase is added to the beginning height to get the height after t years:
2.6t +6.7 . . . . feet
