Explain the steps you would take to find the inverse of f(x) = 3x − 4. Then find the inverse.

glasskerfu

glasskerfu

Answered question

2021-02-08

Explain the steps you would take to find the inverse of f(x)=3x4. Then find the inverse.

Answer & Explanation

Willie

Willie

Skilled2021-02-09Added 95 answers

Let y=f(x):
y=3x4
Swap the variables:
x=3y4
Solve for y. Add 4 to both sides:
x+5=3y
Multiply both sides by 1.3.
13(x+5)=13(3y)
13x+53=y
or
y=13x+53
The new y is the inverse of f(x):
f1(x)=13x+53

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