Who on this site thinks im a good guy

Which of the following lists of ordered pairs is a function?

Which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.

Ablind girl lost her pencil, book and what did she lose first? (this is really good for people who don't have an adequate amount of points! )