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2 votes
What is the inverse of the function f(x)=4x

2 Answers

3 votes
Here's my original function:


y = 4x

Now, I'll try to solve for "x=".


x = (y)/(4)

Once I have "x=", I'll switch x and y; the "y=" is the inverse.
User Techniv
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5.5k points
6 votes

f(x) = 4x
y = 4x
x = 4y (divide both sides by 4)
x/4 = y
The inverse of f(x) is x/4
User Skhurams
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5.6k points