Inverse of f(x)=(1/4x)+2

1 answer

y = (1/4)x + 2
step 1 of finding the inverse: interchange the x and y variables
x = (1/4)y + 2
step 2 : solve this new equation for y
4x = y + 8
y = 4x - 8
step 3: state conclusion
f^-1 (x) = 4x - 8

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