Question

Need the answer asap pls​

Answer 1

Answer:

C. {-9,-3}

Step-by-step explanation:

$|k+6|=3$ gives $k+6=3$ if $k + 6 \geq 0$. This gives $k=-3$, which is valid.

It can also give $-(k+6) = 3$ if $k + 6 < 0$. This gives $k=-9$, which is valid.

Hence the solutions are $k=-9 \vee k=-3$.