Question 1135319
y = 2x + 3
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solve for x
:
2x = (y - 3)
:
x = (y - 3)/2
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interchange x's and y's
:
y = (x - 3)/2
:
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f^(-1) (x) = (x - 3)/2
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f inverse subtracts 3 from x and divides the result by 2
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