at first, the ratio of john’s money to peter’s money was 4:7 . after john spent half of his money and peter spent $60, peter had
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Answer:
The equation is not a function.
Step-by-step explanation:
We are given that
Function: It is mapping between the values of two sets A and B.
Each element of A has unique value in set B.
By definition of function
In given function
y has no unique value for each value of x.
Substitute x=0
Hence, it is not a function.