## Calculus (3rd Edition)

IxI $\leq$ 2
Plug in (-2,2) for (a,b) in the equations for c and r c = -2+2$\div$2 = 0 r = 2 - 0 = 2 Plug in the values for c and r into the inequality equation The inequality is Ix-0I$\leq$2 Simplify to IxI$\leq$2