Evaluate the limit: lim (x→5) (x² - 25)/(x - 5)
- A. 25
- B. 10 ✓
- C. 11
- D. 5
Correct answer
B. 10
Explanation
Factor the numerator: (x² - 25) = (x-5)(x+5). Cancel the (x-5) terms to get (x+5), then substitute x = 5 to get 10.
B. 10
Factor the numerator: (x² - 25) = (x-5)(x+5). Cancel the (x-5) terms to get (x+5), then substitute x = 5 to get 10.