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For the function question.) f(x) = x- +44-2 frecall from previous On what intervals is the function concave up? (use inf to represent infinity)

For the function question.) f(x) = x- +44-2 frecall from previous On what intervals is the function concave up? (use "inf" to represent infinity) On what intervals is the function concave down? (use "inf" to represent infinity) 15 points) W

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