The sum of three consecutive even numbers is 42. the sum can be represented by the equation n+(n+2)+(n+4)=42. what does n represent

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1