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lina2011 [118]
3 years ago
9

What is the inverse of the functiob f(x)=1/4x-12

Mathematics
1 answer:
MaRussiya [10]3 years ago
8 0
Replace the f(x) with y and proceed to make x the subject:
y=1/4x-12
y+12=1/4x
To ÷1/4 on both sides, ×4 on both sides
4(y+12)=x
4y+48=x
Now swap y with x and replace the isolated x with f(x) to get the inverse function:
{f}^{ - 1}(x) = 4x + 48
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