Write an equation that represent the graph.

Please help !

I'm confused on this could anyone me and show me what i need to do to solve it.

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g