05) f(x)=(vert x-2vert )/(x-2) a) lim _(xarrow 2^+)f(x) b) lim _(xarrow 2^-)f(x) c) lim _(xarrow 2)f(x) d) lim _(xarrow 0)f(x) 06) f(x)= ) x^2&sexleqslant 1 2x-1&sexgt 1 a) lim _(xarrow 1^+)(f(x)-f(1))/(x-1) b) lim _(xarrow 1^-)(f(x)-f(1))/(x-1) c) lim _(xarrow 1)(f(x)-f(1))/(x-1)

05) a) b) c) não existed) 06)a) b) c)