Mathematics, 28.01.2020 21:57 caggh345

Let f(x) = x2 - 81. find f-1(x).

question 7 options:
1) ± √x+81
2) ± 9√x
3) 1 over x^2-81
4) x^2 over 81

Answers: 2

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Let f(x) = x2 - 81. find f-1(x).

question 7 options:
1) ± √x+81
2) ± 9√x