У Which is true regarding the graphed function f(x)?
5
4
Of(0) = 3
3
Of(5) = -1
2
4.
Of(3) = 2
5 4 3 2 1
12
13
4
5
X
O f(2)= -2
2
3

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?