Which relation is a function?
a. (-5,1), (-5,0), (-2,1), (-1,4), (6,2)
b. (-5,1), (-2,0), (-2,2), (3,4), (6,2)
c. (-5,1), (-2,0), (-1,1), (2,4), (6,3)
d. (-5,3), (-2,0), (-1,2), (6,4), (6,3)

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

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.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.