Problem 35, January 2017 Algebra I (Common Core) Regents Exam - JuanTutors.com

35 Tanya is making homemade greeting cards. The data table below represents the amount she spends in dollars, f(x), in terms of the number of cards she makes, x.

x f(x)
4 7.50
6 9
9 11.25
10 12

Write a linear function, f(x), that represents the data.

Explain what the slope and y-intercept of f(x) mean in the given context.

[richyfernandez]

thank u so much.
i have my final tomorrow and this question is on it.