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Lemur [1.5K]
3 years ago
7

If f(x)=2x/7+4 which of the following is the inverse of f(x)

Mathematics
2 answers:
kicyunya [14]3 years ago
6 0

f(x) = 2x/(7 + 4)

We can simplify 7 + 4 to 11.

f(x) = 2x/11

Replace f(x) with y.

y = 2x/11

Swap x and y.

x = 2y/11

Solve for y.

Multiply both sides by 11.

11x = 2y

Divide both sides by 2.

y = 11x/2

Replace y with f^-1(x)

<h3><u>f^-1(x) = 11x/2</u></h3>
AfilCa [17]3 years ago
3 0

F-7 (x) =11x/2

That's the answer

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