Question

Need the answer asap pls​

Answer 1

C. {-9,-3}

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`.