Answer:
f(-4)= -1
Step-by-step explanation:
The factors<span> of 155 are 1, 5, 31, and 155, thus </span>the prime factorization should be 5 and 31.
Answer:
i donnt know sorry
Step-by-step explanation:
If this exact question is repeatedly deleted, it's probably because of the ambiguity of the given equation. I see two likely interpretations, for instance:

or

If the first one is what you intended, then

and it follows that
2<em>k</em> + 8 = 3 ==> 2<em>k</em> = -5 ==> <em>k</em> = -5/2
If you meant the second one, then

which would give
<em>k</em> + 9 = 3 ==> <em>k</em> = -6
And for all I know, you might have meant some other alternative... When you can, you should include a picture of your problem.