For the function $f(x)=ln(x+4),$ find $f^{\text{'}\text{'}}(x),f^{\text{'}\text{'}}(0),f^{\text{'}\text{'}}(1),$ and $f^{\text{'}\text{'}}(-4).$

$f^{\text{'}\text{'}}(x)=$

$(Use$ integers $or$ fractions for any numbers $in$ the expression.$)$

Select the correct choice and, $if$ necessary, fill $in$ the answer box within your choice.

$A.f^{\text{'}\text{'}}(0)=(Simplify$ your answer.$)$

$B.f^{\text{'}\text{'}}(0)is$ undefined.

Select the correct choice and, $if$ necessary, fill $in$ the answer box within your choice.

$A.f^{\text{'}\text{'}}(1)=(Simplify$ your answer.$)$

$B.f^{\text{'}\text{'}}(1)is$ undefined.

Select the correct choice and, $if$ necessary, fill $in$ the answer box within your choice.

$A.f^{\text{'}\text{'}}(-4)=(Simplify$ your answer.$)$

$B.f^{\text{'}\text{'}}(-4)is$ undefined.