Question Detail

MTH 102 Limits Objective Question

Question

Evaluate the limit of \( \frac{x}{x+3} + \frac{x-3}{x^2-9} \) as \( x \) tends to 3.
Options
A \(\frac{1}{2}\)
B \(\frac{2}{3}\)
Correct Answer
C \(\frac{5}{6}\)
D 1
Correct Answer

Option B is the correct answer.

Detailed Explanation

Simplify ( \frac{x-3}{x^2-9} = \frac{1}{x+3} ). The expression becomes ( \frac{x}{x+3} + \frac{1}{x+3} = \frac{x+1}{x+3} ). At ( x=3 ), this is ( \frac{4}{6} = \frac{2}{3} ).

Hint

Exercise 1.1, Question 6.

Question Info