Question: Let g be a function where g (2) = 5 and g (8) = 9. Which of the following conditions is necessary to show there

Letgbe a function whereg(2) = 5 andg(8) = 9. Which of the following conditions is necessary to show there is anxbetween 2 and 8, whereg(x) = 0?

The functiongis decreasing on [2, 8].

The functiongis increasing on [2, 8].

The functiongis defined for allxin (2, 8).

The functiongis continuous for allxin [2, 8].

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