Step-by-step explanation:
a. y=x²
if we let x=0, we see that y 2=4 and thus either y=2. This is a many relation because a single x-value relates to two different y-values
Therefore x2+y2=4
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Answers & Comments
Step-by-step explanation:
a. y=x²
if we let x=0, we see that y 2=4 and thus either y=2. This is a many relation because a single x-value relates to two different y-values
Therefore x2+y2=4