f(x) is positive on the intervals (- 2, 3) and (5, infty) f(x) is negative on the intervals (- infty,-2) and (3, 5) f(x) is increasing on the intervals (- infty,0) and (4, infty) f(x) is decreasing on the interval (0, 4)

(23*2)-12=x     x=34

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.