Roger spend 3/4 of his allowance at the mall. Of the money spent at the mall, 5/6 was spent on new shoes. What part of his allow
1 answer:
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Answer:
Option 3 - f(x)= 4x,
Step-by-step explanation:
To find : Which two functions are inverses of each other?
Solution :
Two functions are inverse if
Now, we find one by one
1) f(x)= x, g(x) = -x
Not true.
2) f(x)= 2x,
Not true.
3) f(x)= 4x,
i.e. is true.
So, These two functions are inverse of each other.
4) f(x)= -8x,
Not true.
Therefore, Option 3 is correct.