3x² –3 Given the function h (x) = x3 Over what interval(s) is h (x) decreasing? Note: For multiple intervals, format your answer like this (-, -)(-, -).VWrite coordinates in decimals. Round to the nearest hundredth.

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A: Since you have posted multiple questions i can do first question as per our company guidelines…

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A: Disclaimer: Since you have asked multiple questions we will solve the first question for you. If you…