What is the product of (x-2)(x+2)?

The graph of the the function f(x) is given below. find [tex]\lim_{x \to 0\zero} f(x)[/tex] [tex]\lim_{x \to 1+\oneplus} f(x)[/tex] [tex]\lim_{x \to 0-\zeroneg} f(x)[/tex]

Use the given information to determine the exact trigonometric value.

Cuántos triángulos forman un diamante