Find all values of k so that k+1 4 9 k+1 -12 is invertible. To enter your answer, first select 'always', 'never', or whether k should be equal or not equal to specific values, then enter a value or a list of values separated by commas. Invertible: Always

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Q: can understand your answer, i appreciate your time!

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A: The given relation is symmetric. The explanation is provided below.

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Q: A cable car is to be built up the side of a hill. The coordinates of the bottom end of the cable are…

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