Determine the interval on which the function in the graph below is decreasi -12 -10 -8 O a. [6, 10] O b. [-3, 6] Oc. [-7,-3] O d. [4,-1] Oe. [-2,7] -6 14 -2 124 10 8 6 C -4 -6 -8 -10- -12 4 6 8 10 12 X

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