In Exercises 1–4, use the given table of values to estimate, for the given value of a, each of the following if they exist:
(a)
(b)
(c)
(d)
[HINT: See Example 13]

–2.1  –2.01  –2.001  –2.0001  –2  –1.9999  –1.999  –1.99  1.9 

–1.12  –11.12  –111.12  –1,111.12  –0.00003  0.00031  41.12  4.12 
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