Question

Which function below is the inverse of f(x) = The quantity of seven x minus one, over two.?

Answer 1

can u write equation?

Answer 2

\[f(x)=\frac{ 7x-1 }{ 2 }\]

Answer 3

i'm about to post the answer choices now.

Answer 4

assume f(x)=y and solve for value of x then change x to y and y to x

Answer 5

A) \[f ^{-1}(x)=\frac{ 2 }{ 7x+1 }\]
B) \[f ^{-1}(x)=\frac{ 2 }{ 1-7x }\]
C) \[f ^{-1}(x)=\frac{ 2x+1 }{ 7 }\]
D) \[f _{^{-1}}(X)=\frac{ 2x-1 }{ 7 }\]

Answer 6

that was super confusing

Answer 7

c

Answer 8

thank you @gracefulchibi

Answer 9

c

Answer 10

your welcome :)