d1o3nanieert d1o3nanieert

03-09-2016
Mathematics

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what is the inverse of the function f(x) = -5x^2 3, for x>or equal to 0?

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nobillionaireNobley nobillionaireNobley

04-09-2016

f(x) = -5x^2 + 3
y = -5x^2 + 3
5x^2 = 3 - y
x^2 = (3 - y)/5
x = sqrt((3 - y)/5)

Therefore, f^-1(x) = sqrt((3 - x)/5)

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