What is the constant of variation, k, of the direct variation, y = kx, through (5, 8)? k = – 8/5 k = – 5/8 k = 5/8 k = 8/5

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.

25.3

step-by-step explanation:

1st step

add 3+6

=9

multipy 9*3

=37