Which expression below gives the average rate of change of the function g(x) = -x² - 4x on the interval 6 ≤x≤8?
O [-82-4(8)]-[-6²-4(6)]
8-6
O [-62-4(6)]-[-8²-4(8)]
8-6
8-6
[-82-4(8)]-[-62²-4(6)]
8-6
[-62-4(6)]-[-8²-4(8)]
L
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