Evaluate the limit: lim (x→3) (x² - 9)/(x - 3)
- A. 7
- B. 6 ✓
- C. 9
- D. 3
Correct answer
B. 6
Explanation
Factor the numerator: (x² - 9) = (x-3)(x+3). Cancel the (x-3) terms to get (x+3), then substitute x = 3 to get 6.
B. 6
Factor the numerator: (x² - 9) = (x-3)(x+3). Cancel the (x-3) terms to get (x+3), then substitute x = 3 to get 6.