The augmented matrix below represents a system of equations. Which matrix results from the operation R1<->R2

need more information

step-by-step explanation:

345

step-by-step explanation:

it is 10.6 according to my calculations

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.