Does 3/15 repeat or terminate

Write the equation in logarithmic form m^x=n

Pls never taught i’m really confused and i rlly need

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]