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Increasing & decreasing intervals

AP.CALC: FUN‑4 (EU), FUN‑4.A (LO), FUN‑4.A.1 (EK)


Let h, left parenthesis, x, right parenthesis, equals, x, start superscript, 4, end superscript, minus, 2, x, cubed.
On which intervals is h increasing?
Choose 1 answer: