Can anyone please help?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9