Which of the following rational functions is graphed below?

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Which table shows a proportional relationship between miles traveled and gas used?

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