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Mathematics
Javon Cook
19 July, 05:16
What is the inverse function of d (x) = 2x - 4?
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Amaya Navarro
19 July, 07:25
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Let d (x) = 2x - 4
Or
y = 2x - 4
We have replace x = y
x = 2y - 4
Now Isolate "y"
x + 4 = 2y
Pass "2" dividing
(x + 4) / 2 = y
y = x/2 + 2
Or
d (x) ^-1 = x/2 + 2
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