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Mathematics
Ryker Dudley
10 July, 12:28
F (x) = 3x + 9, find f^-1 (x)
+1
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Abraham Shelton
10 July, 15:35
0
y=x-9/3
Step-by-step explanation:
f (x) = 3x+9
let f (x) = y
y=3x+9
change position of x & y
x=3y+9
rearrange:
x-9=3y
y=x-9/3
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