Which relation defines y as a function of x? A
The proportional relationship y 2.4x
B
The table showing the age in years, X,
and weight in pounds, y, of five dogs.
3
4
4
30
38
21
9
42
5
6
C.
The graph of an inequality as shown by the shaded region
D.
The graph of w? + 7,36 as shown

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?