What is the common difference in the following arithmetic sequence?

In an arithmetic sequence, any two consecutive terms have a common difference (d) while, in geometric sequence, any two consecutive terms have a constant quotient (r). In an arithmetic sequence, the variation of the terms is linear, i.e. a straight line can be drawn passing through all the points.

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step-by-step explanation:

gregory's graph is incorrect because it shows 2 inches of growth for each week when it should show 0.75 inches of growth each week.