natehuizing15 natehuizing15

29-03-2022
Mathematics

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Which is the inverse of the function f(x) = x2 − 4?

y=√x+4
y=√x^2-4
y=√x+4
y=x^2-4

Respuesta :

sillatempest sillatempest

29-03-2022

Answer:

y=√x+4

Step-by-step explanation:

y=x^2-4

x= y^2 -4

transpose the 4 to the other side

x + 4 = y^2 (when we're transposing we change the sign of the number)

√x+4 = √y^2

y =√x+4

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