Find the domain of the function. Express the answer in interval notation.
-$f(x)=\sqrt{x+13}$
A) $(-\infty, 13)$
B) $[13, \infty)$
C) $(-\infty,-13)$
D) $[-13, \infty)$

Question

Quizplus · Accepted Answer

The domain of $f(x)=\sqrt{x+13}$ includes all $x$ values for which $x+13$ is greater than or equal to 0, because the square root function is defined for non-negative numbers. Solving $x+13 \geq 0$ gives $x \geq -13$, which corresponds to the interval $[-13, \infty)$.

Find the Domain of the Function f(x)=x+13f(x)=\sqrt{x+13}f(x)=x+13​ A) (−∞,13)(-\infty, 13)(−∞,13) B) [13,∞)[13, \infty)[13,∞)

Find the Domain of the Function $f(x)=\sqrt{x+13}$ A) $(-\infty, 13)$ B) $[13, \infty)$