e73436…: “Rather than a sad river”

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Let $H(x)$ be a quadratic function with $H'(x) = 5x - 10$.

$H'(x) = 0$ at $t = \answer {2}$.

$H'(x) < 0$ on $\left ( \answer {-\infty }, \answer {2} \right )$.

$H'(x) > 0$ on $\left ( \answer {2}, \answer {\infty } \right )$.

$H(x)$ decreases on $\left ( \answer {-\infty }, \answer {2} \right )$.

$H(x)$ increases on $\left ( \answer {2}, \answer {\infty } \right )$.

The minimum of $H(x)$ is located at $x = \answer {2}$.

2025-05-18 05:16:36