What is the inverse of the function y - 2 = 7x?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

If 3x+8=3x+8 is it one solution or no solution

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.