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erastovalidia [21]
3 years ago
7

Which of the following relation is correct

Mathematics
1 answer:
o-na [289]3 years ago
7 0

Answer:

Both the equation and its inverse are functions.

Step-by-step explanation:

In order to solve this problem lets first find the inverse of this function. This is done below:

y = x^2 + 8\\

We first swap x and y.

x = y^2 + 8

We now isolate y.

y^2 = x - 8\\y = \sqrt{x - 8}\\f^{-1}(x) = \sqrt{x - 8}

Functions are relations between two groups of numbers, in such a way that one number on the input group must generate a singular answer from the output group. This holds true for both f(x) and its inverse, therefore both are functions.

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