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svp [43]
3 years ago
8

Which is the inverse of the function f(x)=1/3x+5 ?

Mathematics
2 answers:
Svetach [21]3 years ago
6 0
The answer is b. y = 3(x-5)

To find inverse functions:

Swap x and y.
x = 1/3y + 5

Solve for y.
y = 3(x-5)
PtichkaEL [24]3 years ago
4 0
To find the inverse of a function, switch the x and the y and then solve for the new y.  Like this: x= \frac{1}{3}y+5.  Subtract 5 from both sides to get x-5= \frac{1}{3}y and then multiply both sides by 3.  3(x - 5) = y.  B is your choice.
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