Question: To evaluate the limit , rewrite the limit by rationalizing the numerator. lim x 4 x + 5 3 x 4 = lim x 4

To evaluate the limit, rewrite the limit by rationalizing the numerator.
limx4
x +5
3x 4
=limx4
x +5
3x 4
x +
+3
x +5
+3
=limx4
x (x 4)
x +5
+3
=limx4
1
x +5
+

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