(2) Consider this almost complete e-d proof below that attempts to prove lim (2x + 5) = 13. x→4 Find the 8 (or condition on d i.e. 8< something) that completes our proof. Proof. Let e > 0 and suppose |x – 4| < 8. Then we have |2x + 5 – 13| = |2x – 8| = 2|x – 4| < 28

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