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Answer:1.  Domain = [-4,6]2.  Range = [-1,8]3.  f(3) = -1Step-by-step explanation:1.Domain is the set of x-values for which the function is defined.We need to look at the graph and see from which x value to which x value the function is defined.We see that from x = -4 to x = 6, the function is defined.Interval Notation:If the endpoints are included (closed circle), we use brackets ( "[" or "]" )If the endpoints are not included (open circle), we use parenthesis ( "(" or ")" )Looking at the graph, x = -4 and x = 6 are both included. So the domain is:Domain = [-4,6]2.This graph is same graph as the first question but it asks for the range.The range is the set of y-values for which the function (graph) is defined.Looking at the graph, we see that it is defined from y = -1 to y = 8Both the endpoints are closed circle, so we use brackets to write the range.Range = [-1,8]3.This is the same f(x) graph.We want the value of f(3).The notation f(3) means the y-value we get if we plug in 3 into x. From graph, how do we understand f(3)?We simply look at x = 3 and see the corresponding value of the graph at y. When we see at x = 3, we see that graph has a point at y = -1. Hence,f(3) = -1