Which shows the domain range of these function? -domain: (-infinity, infinity) Range: (-infinity, infinity)
-domain: (0, infinity) range: (-infinity, infinity)
-domain: (-infinity, infinity) range: (0, infinity)

What is the anwers for 9+2x=5x-3-x

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Pls never taught i’m really confused and i rlly need