EXERCISE 1.1 CALCULATE THE LIMIT OF THE FOLLOWING FUNCTIONS USING TABLE OF VALUES AND DIRECT SUBSTITUTION. Note: Use 3 x-values in each sided limit. Write DNE if the Limit does not exists. 1. lim,--3(x² – 2x + 1) 2. lim x→-2 4 x² -4 3. lim x→2 x²-5x+6

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