Which one doesn't belong why?

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)