Mathematics: Which function is the inverse of y=x^2 -9

Step-by-step explanation:For a circle with center and radius The parametric equation is , For center and radius Parametric equation is...

Which function is the inverse of y=x^2 -9

shakaylaousley1997

18.09.2021

the answer is 21 and 10

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htorres2p8urw0

16.04.2020

$x=-10+\sqrt{7}\cos \theta\-,\quad y=0.5+\sqrt{7}\sin \theta$

Step-by-step explanation:

For a circle with center (h,k) and radius

The parametric equation is $x=h+r\cos a$ , $y=k+r\sin a$

For center $(-10,\frac{1}{2})$ and radius $\sqrt{7}$

Parametric equation is

$\Rightarrow x=-10+\sqrt{7}\cos \theta\\\Rightarrow y=0.5+\sqrt{7}\sin \theta$

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