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Maeve Henderson
Mathematics
30 August, 21:03
If f (x) = 15x+3, then f-1 (x) =
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Andrade
30 August, 21:15
0
y=x-3/15
Step-by-step explanation:
f (x) = 15x+3/y=15x+3
f-1 (x) is an inverse function, which means you gotta swap the x an the y:
x=15y+3
The goal is to get y alone, so you minus 3 on both sides to get
x-3=15y
And then divide both sides by 15 to get y alone
x-3/15=y
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