Jovan is 15 years old. His sister is 6 years older than one-third his age. How old is Jovan’s sister?
2 answers:
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Answer:
Step-by-step explanation:
To find the inverse of the function , the first step is to replace f(x) with "y":
The second step is to solve for the variable "x":
The third step is to interchange the variables, then:
Finally, let be h(x) the inverse of the function f(x). Then, you can replace "y" with h(x). Therefore, this is: