How do I solve this equation and find the solutions?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.