Help: Justify why one relation is a function and why the other is not. Relation 1: (1,2) (2,4) (3,6) (4,8)

Relation 2:  (1, 3), (4, 2), (7, 1), (4,

Can someone me do math because i am having a breakdown rn because i don’t get it

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)