Question

This is an input-output table showing the relationship between boxes and the cost of boxes.
Input
(Boxes) Output
(Cost)
1 2.25
2 4.50
3 6.75
4 9.00
How can this function be represented algebraically?

(1 point)
Responses

y=2.25x
y equals 2.25 x

y=x−2.25
y equals x minus 2.25

y=x+2.25
y equals x plus 2.25

y=−2.25x

Answer 1

y = 2.25x

Each box costs $2.25, so cost = 2.25 × number of boxes (the other choices have wrong slope or an intercept).