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1 answer:
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Answer:
D)
Step-by-step explanation:
If two functions and
are inverse of each other, then the following conditions must be true:
i.
ii.
Therefore, out of the four choices available, only option D matches the condition for inverse function to exist.
Therefore,
To solve for x in terms of b, simply treat b as a number, and solve for x as usual: first of all, we expand the left hand side:
Subtract 10 from both sides:
Divide both sides by -2b:
This means that in particular, if we set , we have