claudiniweenie
27.11.2019 •
Mathematics
The equation of a circle is (x+10)^2+(y-4)^2=100
what is the center and radius of the circle.
1.) center-10,4); radius: 10
2.) center: (-10,4); radius: 10,000
3.) center10,-4); radius: 10
4.) center10,-4); radius: 10,000
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Ответ:
Answer 1
Center=(-10,4)
radius=10
Ответ:
Therefore, g^-1 (2) = 3
Let y = 3x - 10, then x = (y + 10)/3
Therefore, h^-1 (x) = (x + 10)/3
(h o h^-1)(x) = h(h^-1(x)) = h((x + 10)/3) = 3((x + 10)/3) - 10 = x.
Therefore, (h•h^-1)(-1) = -1