Chapter 11 - Section 11.4 - Nonlinear Inequalities in One Variable - Exercise Set - Page 800: 56

Please see the table.

$f(x)=2x^2$ $x=0$ $f(x)=2x^2$ $f(0)=2*0^2$ $f(0)=2*0$ $f(0)=0$ $x=1$ $f(x)=2x^2$ $f(1)=2*1^2$ $f(1)=2*1$ $f(1)=2$ $x=−1$ $f(x)=2x^2$ $f(−1)=2*(−1)^2$ $f(−1)=2*1$ $f(-1)=2$ $x=2$ $f(x)=2x^2$ $f(2)=2*2^2$ $f(2)=2*4$ $f(2)=8$ $x=−2$ $f(x)=2x^2$ $f(−2)=2*(−2)^2$ $f(−2)=2*4$ $f(-2)=8$