a. −0.80000000−0.80000000−0.80000000
b. −0.98000000 −0.98000000−0.98000000
c. −0.99800000−0.99800000−0.99800000
d. −0.99980000−0.99980000−0.99980000
e. −1.2000000−1.2000000−1.2000000
f. −1.0200000−1.0200000−1.0200000
g. −1.0020000 −1.0020000−1.0020000
h. −1.0002000−1.0002000−1.0002000 limx→1(1−2x)=−1\mathop {\lim }\limits_{x \to 1} \left( {1 - 2x} \right) = - 1x→1lim(1−2x)=−1