ctyrector
13.10.2020 •
Mathematics
If h and j are inverse functions, what is h(j(15))
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Ответ:
15
Step-by-step explanation:
Let's define the concept of inverse functions.
If we have a function h(x), such that it has an inverse, and:
h(x) = y.
Then the inverse function j(x) must meet the following:
j(y) = x.
Now, we want to calculate:
h( j(15) ).
Let's suppose that:
j(15) = A.
(Where A can be any real number).
then, by the above relation, we must have that:
h(A) = 15.
Now we can replace j(15) by A in h(j(15)):
h( j(15) ) = h( A ) = 15.
Ответ:
C
Step-by-step explanation:
The answer is C because both of the equations have less than or equal to symbols. So, you would shade below both lines. The only place where the two lines mix shades is C.