Let g be a function where g(2) = 5 and g(8)= -9. Which of the following conditions is necessary to show there is an x between 2 and 8, where g(x) = 0? The function g is decreasing on [2, 8]. The function g is increasing on [2, 8]. O The function g is defined for all x in (2,8). O The function g is continuous for all x in [2, 8].

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