Which set of ordered pairs does not represent a function?

Step-by-step explanation:

A relation is a function only if each element of the domain is related exclusively to one element of the codomain. Then, the following set of ordered pairs is not a function:

f(x)=2/3x+4/3 is the answer because is whose power in the senate is equal to the power of the speaker of the house?

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this