Read the following statement: x + 6 = 6 + x. this statement demonstrates:

the substitution property.
the reflexive property.
the symmetric property.
the transitive property.

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for

D.

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