asked 92.2k views
5 votes
Does x^2+y^2=169 define y as a function of x

asked
User JYelton
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1 Answer

6 votes

x^2+y^2=169

y^2=169 -x^2

y= √( 169 -x^2)

f(x)= √( 169 -x^2)
answered
User Mubeen Khan
by
8.3k points

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