Please help! 30 points!

1) One year after a tree is planted, the tree is 3.5 ft tall. Each year, the tree grows 1.5 ft.
What function, written in sequence notation, models the height of the tree n years after it is planted?



an=1.5n+3.5

an=3.5n+1.5

an=1.5n+2

an=5n+1.5



2) What function equation is represented by the graph?


f(x)=−1/2x−1

f(x)=−2x−1/2


f(x)=−x−2

f(x)=−2x−1


3) Earl mows lawns one weekend. He earns $12 for each lawn that he mows. He spends $40 on gas and other supplies.
What function equation represents Earl's profit from mowing x lawns?



f(x)=12x+40

f(x)=40x−12

f(x)=12x−40

f(x)=40x+12


4) What function equation is represented by the graph?



f(x)=−1/4x−3

f(x)=1/4x−3

f(x)=−4x−3

f(x)=1/4x+3


5) What linear function equation can be represented by the set of ordered pairs?
{(−4, −6), (0, −3), (4, 0), (12, 6)}

Enter your answer in the box.

f(x)=