CalcNotes0204-page5

CalcNotes0204-page5 - (Section 2.4: Limits and Infinity II)...

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(Section 2.4: Limits and Infinity II) 2.4.5 Solution lim x ±² 4 + fx () = lim x 4 + x + 1 x 2 + 4 x = lim x 4 + x + 1 3 ± x 4 ² x + 4 ± 0 + ³´ µ¶ µ Limit Form ² 3 0 ² ³ ´ µ · ¸ Regarding the denominator: Remember that “negative times positive equals negative.” = ± lim x 4 ² = lim x 4 ² x + 1 x 2 + 4 x = lim x 4 ² x + 1 3 ± x 4 ² x + 4 ± 0 ² µ Limit Form ² 3 0 + ³ ´ µ · ¸ Regarding the denominator: Remember that “negative times negative equals positive.”
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