Question

lim┬(x→4)⁡〖(x^2-16)/(x-4)〗

Answer 1

$\lim_{xto4}frac{x^2-16}{x-4}=\ lim_{xto4}frac{(x-4)(x+4)}{x-4}=\ lim_{xto4}x+4=\ 4+4=\ 8$