Henry bought a tree sapling that was 6 inches tall. The tree grew half an inch a day. Let d = the number of days the tree has been growing. Which algebraic expression could be used to calculate height of the tree, in inches, after any number of days?

d+6
1/2d+6
1/2(d+6)
6+d+1/2

Question

Henry bought a tree sapling that was 6 inches tall. The tree grew half an inch a day. Let d = the number of days the tree has been growing. Which algebraic expression could be used to calculate height of the tree, in inches, after any number of days? 

d+6
1/2d+6
1/2(d+6)
6+d+1/2

anonymous · Answer

alright let's start with the changing variable

we knwo that every day the tree grows 1/2 inch and we know that d =  any integer correct?

anonymous · Answer

1/2D+6

anonymous · Answer

so 

for example after 2 days , d =2 1/2d would equal 1....

and yes that is the correct answer

anonymous · Answer

Ok
Thanks