B - line graph. A line graph should be added because he wants to know how many of available apartments there were during the time of the year and line graphs are usually up and down on the info.
I supppose the answer is F(X)=X²+4， you can use the vertex to confirm.
The seahorse make a lot of babies because the male carries the babies while the female makes more eggs.
<h3>What is
mating?</h3>
Mating is the process in which opposite or hermaphroditic organisms pair for reproduction.
During mating between the male and female seahorse mates, the female seahorse puts her eggs in the male pouch and the male fertilises the egg in his pouch. The eggs develop into baby seahorse in the father pouch.
Find out more on mating at: brainly.com/question/922533
Number 3 is the correct answer
