Chapter 11 - Section 11.4 - Nonlinear Inequalities in One Variable - Exercise Set - Page 800: 57

Please see the table.

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