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Find the inverse of g(x)=(1/3x)-7 and then find its domain and range.

I already found the inverse of the function.

1 answer

y + 7 = 1 / 3x
reverse x and y
x + 7 = 1/3y
3y = 1/(x+7)
y = 1/(3x+21) that is what I get for inverse.
domain is all real numbers EXCEPT x = -7
range is all real numbers (look at it going to zero at x big - and at x big + and to - and + infinity as x approaches -7
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