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Mathematics
6 November, 01:50
If ƒ (x) = 4x - 3, what is ƒ (x) - 1?
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Brynn Whitney
6 November, 01:56
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F (x) ^-1 is asking for the inverse function of f (x).
The first step to finding the inverse is:
1) change f (x) to y
2) switch x and y
3) resolve the equation for y =
f (x) = 4x - 3
y = 4x - 3
x = 4y - 3
add 3 to both sides
x + 3 = 4y
divide both sides by 4
(x + 3) / 4 = y
y = (x + 3) / 4
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