Does anyone know how to prove this

At which value in the domain does f(x) =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.

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "