Answer:
since 4y=12 and 4y=2x then 4y=12=2x or 12=2x
There are 45 people on the bus. 60% of them were adults. How many adults were on the bus? Write an explanation
2 answers:
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Answer:
C.
Step-by-step explanation:
Let's find the inverse of each of the given options.
Option A:
To find , replace 'x' with 'y' and 'y' with 'x'. This gives,
Rewrite in terms of 'y'. This gives,
The given function
So, option A is incorrect.
Option B:
To find , replace 'x' with 'y' and 'y' with 'x'. This gives,
Rewrite in terms of 'y'. This gives,
The given function
So, option B is incorrect.
Option C:
To find , replace 'x' with 'y' and 'y' with 'x'. This gives,
Rewrite in terms of 'y'. This gives,
The given function
So, option C is correct.
Option D:
To find , replace 'x' with 'y' and 'y' with 'x'. This gives,
Rewrite in terms of 'y'. This gives,
The given function
So, option D is incorrect.
Therefore, only option C is correct.