caculate the estimated density of each ball. use the formula D=m/V. wherer D is the density of each ball M is the mass, and V is the volume. please hury i need help!

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 with 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