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Yuki888 [10]
3 years ago
15

If f(x) and its inverse function,f-1(x), are both plotted on the same coordinate plane, where is their point of intersection?

Mathematics
2 answers:
cluponka [151]3 years ago
4 0

Answer:

C. (2, 2)

Step-by-step explanation:

this is the correct answer on ed-genuity, hope this helps! :)

Mice21 [21]3 years ago
3 0
Consider f, such that f(x)=y, where x is in the Domain of f, and y is in the Range of f.

Let f(a)=b. So, (a, b) is in the graph of f.


The inverse function of f, f^{-1} (if exists) is such that  if f(x)=y, then f^{-1}(y)=x.

So if (a, b) is a particular point in the graph of f, then (b, a) is a point in the graph of  f^{-1}.

 
A point where they intersect is a point where (a, b)=(b, a), that is a=b. Among our choices, only (2, 2) satisfies this condition.


Answer: (2, 2)
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