Four volunteers picked up litter from a park. Dominique collected 15 fewer pieces of litter than Sara. Sarah collected 12 more pieces of litter than piper. Piper collected 1/4 as many pieces of litter than everyone else combined. Let x represent the number of piece of litter Vaughn collected.

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.

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step-by-step explanation: