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What is the inverse for this linear function f(x)=-2x+4?

What is the inverse for this linear function f(x)=-2x+4?
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4 votes
What is the inverse for this linear function f(x)=-2x+4?

User Michbeckable
by
8.5k points

1 Answer

4 votes
f(x) = -2x + 4
y = -2x + 4
x = -2y + 4
x - 4 = 2y
2 2
¹/₂x - 2 = y
¹/₂x - 2 = f⁻¹(x)
User Mike Barwick
by
7.4k points
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