Question

Fill in the blanks below in order to justify whether or not the mapping
shown represents a function.

first bank says , the mapping diagram above { represents } or does { NOT represent } a function since ..

blank 2 says { for each number } or { there is one number }

blank 3 says { set a the output } or { set b the input } or { set a the input } , and { set b the output } !

Answer 1

1) it's a function 2) for each number 3) set a input and set b output

to be a function, no ordered pairs should have same first coordinate, hence this is a function