BlueRoo6292 BlueRoo6292

22-10-2019
Mathematics

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104. Find the inverse g for each function f.
a. f(x) = 1/2x-3

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chrisleebear chrisleebear

22-10-2019

Change f(x) y to make it easier.
y = 1/2x-3
switch y and the x.
x = 1/2y-3
Add 3 to both sides
x+3 = 1/2y
Multiply both sides by 2.
2x+6 = y
Therefore, f^-1(x) = 2x+6

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