2 years ago

If f(x)=3x, what is f^-1(x)?

2 answers:

5 0

Answer: f-1(x) = x/3 + 5/3

Step-by-step explanation: The inverse function is found by replacing the independent variable with the dependent variable and vice versa like so

f(x) = 3x-5 becomes x = 3y-5; now we solve for y

3y = x +5 or y = x/3 + 5/3

Therefore the inverse function becomes: f-1(x) = x/3 + 5/3

-BARSIC- [3]2 years ago

3 0

Answer: -1(x)] = x

Step-by-step explanation:

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