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damaskus [11]
3 years ago
11

Choose the inverse of y=X2-2

Mathematics
2 answers:
hjlf3 years ago
8 0

For this case we must find the inverse of the following function:

y = x ^ 2-2

We exchange the variables:

x = y ^ 2-2

We clear the variable "y":

Adding 2 to both sides we have:

x + 2 = y ^ 2

Applying square root on both sides of the equation:

y = \pm \sqrt {x + 2}

We change y by f ^ {- 1} (x):f ^ {- 1} (x) =\pm \sqrt {x + 2}

Answer:

f ^ {- 1} (x) = \pm\sqrt {x + 2}

pickupchik [31]3 years ago
7 0

Answer:

26

Step-by-step explanation:

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