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The inverse of each of the given functions. f(x) = 4x − 12
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4 votes
The inverse of each of the given functions.

f(x) = 4x − 12

User Photon Point
by
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2 Answers

3 votes
Basically you swap the variables.
f(x)=4x-12
y = 4x - 12
SWAP
x = 4y - 12
Now solve for y
X = 4y - 12
x + 12 = 4y
X/4 + 3 = y

The inverse is y = x/4 + 3
User Lauren F
by
7.4k points
1 vote
y= x/4 -3 which is your inverse function! :)
User Michael Szczepaniak
by
7.9k points
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