What is h(-14)=-x-7 for an assignment

I'm terrible at math any here is appreciated.

In which form is the following function written? y = - 2(x – 3)(x + 5)

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?