Question: Help Problem 7: Calculate the following limits. If the limit doesn't exist, write DNE. (a) lim I |2x + 21 I -+ - 1 x

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Problem 7: Calculate the following limits. If the limit doesn't exist, write "DNE". (a) lim I |2x + 21 I -+ - 1 x +1 (b) lim 57-1 - 1| sin
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