OnyedikachiZ756175 OnyedikachiZ756175

27-10-2022
Mathematics

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F(x)= sqrt x-5 find f -1A. f -1 (x) = (x + 5)2; y > 5B. f-1 (x) = x2 +25; y> 25C. f -1 (x) = x2 + 5; y > 5D. f-1 (x) = x2 +25; y> 5

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JamyiaO213255 JamyiaO213255

27-10-2022

y = x^2 -10x

using completing the square method

y = x^2 -10x +(-10/2)^2 +(-10/2)^2

y =x^2 -10x +(-5^2) +(-10/2)^2

y = (x-5)^2 + (-^

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