Respuesta :
Answer:
B
Step-by-step explanation:
let y = 5x - 3
rearrange making x the subject
add 3 to both sides
5x = y + 3 ( divide both sides by 5 )
x = [tex]\frac{y+3}{5}[/tex]
change y back into terms of x, hence
[tex]f^{-1}[/tex](x) = [tex]\frac{x+3}{5}[/tex] → B
The inverse function of f(x) = 5x − 3, is (x+3)/5. , Option B is the right answer.
What is an Inverse Function ?
A function that returns the original value for which a function has given the output is known as an inverse function.
The expression given is
f(x) = 5x -3
let f(x) = y
y = 5x-3
y +3 = 5x
x = (y+3)/5
To find the inverse function
The value of x will be the value of y
Therefore f⁻¹ (x) = (x+3)/5.
The inverse function of f(x) = 5x − 3, is (x+3)/5. , Option B is the right answer.
To know more about Inverse Function
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