Answer: Represents when the equation is at 5 gallons of water 1.5 pounds of salt is needed to have the correct salinity
Step-by-step explanation:
Informally, the domain is the set of all possible elements in a set for which there is one and only one output. In interval notation, the domain is (-4, ∞). I am assuming it continues on infinitely to the right because of the arrow. The range is [1, <span>∞). Here, you choose the lowest value on the graph, up to the highest one.</span>
Answer is #3
add up all the x’s
