Graphs, Functions, and Applications #5

Algebra
Tutor: None Selected Time limit: 1 Day

Determine whether the relation is a function.

 {(-7, -1), (-7, 2), (-1, 8), (3, 3), (10, -7)}


Mar 7th, 2015

This is not a function since the definition of a function y=f(x) is a relation that maps each value of x to a unique value of y. Since in this example x = -7 maps to both y = -1 and y = 2, this is not a function.

Mar 7th, 2015

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