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The following measurements were taken of a tree. Do the age and height show direct variation? If so, write the equation of variation.



direct variation y = 0.28x

direct variation y = 0.28x + 3.6

direct variation x = 3.6y

no direct variation

The following measurements were taken of a tree Do the age and height show direct variation If so write the equation of variation direct variation y 028x direct class=