7) find the solution(s) to the equation below.
(x - 1)(x + 3) = 5

x=2

Step-by-step explanation:

(2-1)(2+3)=5

2-1=1

2+3=5

1x5=5

3

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.