Plz help me answer this 2x-3y<12?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values