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Consider h(:c) = 7sin2 a: 14 cos a: on [0, 271']. Determine the intervals on which 12 is concave down. Q) h is concave down on: O h is concave down nowhere. Determine the intervals on which h is concave l]l:p. h is concave up on: ' O h is concave up nowhere. Determine the value and location of any inflection point of h. Enter the sol multiple solutions exist, use a comma-separated list to enter the solutions. (9 h has an inflection point at: l O h has no inflection point. ution in (:c, h(a:)) form. If