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Ksju [112]
3 years ago
11

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

Mathematics
2 answers:
Anton [14]3 years ago
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]3 years ago
3 0

Answer: -1(x)] = x

Step-by-step explanation:

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Answer:

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Dafna1 [17]

Answer:

See below.

Step-by-step explanation:

Let x equal each of the values on the table, and find the value of the function for that value of x.

f(x) = 5x - 5

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x          f(x)

-4        -25

0          5

1           0

3          10

5          20

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