O Which expression below gives the average rate of change of the function dx) = -x2 - 4x on the interval 6 5x58?
8-6
[-82 - 4(8)] - [-62 -4(6)]
O
8-6
[-62 - 4(6)]-(-8-48)]
O [-62 - 4(6)]-[-82 - 4(8)]
8-6
O [-82 - 4(8)] -[-62 - 4(6)]
8-6
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What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

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