9137d5…: “Near the important river”

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Let $M(n) = \sqrt {5n-3}-n^2$

Let $a$ and $b$ be real numbers.

Which expression is equivalent to $M(a+b)$?

$\sqrt {5(a+b)-3}-(a+b)^2$ $\sqrt {5a + b-3}-a + b^2$ $\sqrt {5a + b-3}-a - b^2$ $(\sqrt {5n-3}-n^2)(a+b)$

Let $M(n) = \sqrt {5n-3}-n^2$

Let $a$ and $b$ be real numbers.

Which expression is equivalent to $M(n+a)$?

$\sqrt {5(a+n)-3}-(a+n)^2$ $\sqrt {5a + n-3}-a + n^2$ $\sqrt {5a + n-3}-a - n^2$ $(\sqrt {5n-3}-n^2)(a+n)$

Let $M(n) = \sqrt {5n-3}-n^2$

Let $a$ and $b$ be real numbers.

Which expression is equivalent to $M(n)+a$?

$\sqrt {5n+a-3}-(n+a)^2$ $\sqrt {5(a+n)-3}-(a+n)^2$ $\sqrt {5n-3}-n^2+a$ $(\sqrt {5n-3}-n^2)a$

Let $T(k) = k^2 + 6k + 3$

Let $a$ and $b$ be real numbers.

Which expression is equivalent to $b - a \, T(k)$?

$b - a k^2 + 6k + 3$ $(b - a) (k^2 + 6k + 3)$ $b - a (k^2 + 6k + 3)$ $b - a k^2 - 6k - 3$

2025-05-21 17:04:57