Determine the intervals on which the following function is concave up or concave down. Identify any inflection points.
$k\left(x\right)=\sqrt[3]{x+5}$

• A. Concave up on $(-\infty ,-5)$Concave down on $(-5,\infty )$Inflection point at $x=-5$
• B. Concave up on $(-5,\infty )$Concave down on $(-\infty ,-5)$Inflection point at $x=-5$
• C. Concave up on $(-\infty ,-5)$Concave down on $(-5,\infty )$Inflection point at $x=5$
• D. Concave up on $(-5,\infty )$Concave down on $(-\infty ,-5)$Inflection point at $x=5$

Answer: (A)