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Mathematics
Loki
27 March, 00:03
What is the inverse of f (x) = 9x-8
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Aidan Bright
27 March, 03:03
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f^-1 (x) = (x + 8) / 9
Step-by-step explanation:
Step 1: Set y to x and x to y
y = 9x - 8
x = 9y - 8
Step 2: Solve for y
x + 8 = 9y - 8 + 8
(x + 8) / 9 = 9y / 9
(x + 8) / 9 = y
Step 3: Rename y to f^-1 (x)
f^-1 (x) = (x + 8) / 9
Answer: f^-1 (x) = (x + 8) / 9
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