The function f(x) = -(x + 5)(x + 1) is shown. What is the range of the function? Ty 10 8+ all real numbers less than or equal to 4 all real numbers less than or equal to -3 all real numbers greater than or equal to 4 all real numbers greater than or equal to -3 6. 4 2 -10 -8 -5 -2 2 6 8 10x -4 -6 -8?​

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?