The average rate of change of g of x between x is equal to 4 and x is equal to 7 is 5 sixths Which statement must be true?

The average rate of change of g from x = 4 to x = 7 is [g(7) − g(4)] ÷ (7 − 4). Therefore, that fraction must equal 5/6, which is exactly the statement in choice A. The other choices either omit the change in x or use a different expression.

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