can you help me...?

Question

can you help me find the equation for the inverse of the relation...?

1.) y = 2x

2.) y = -x + 5

Answer 1

Here are some links:

http://dl.uncw.edu/digilib/mathematics/algebra/mat111hb/functions/inverse/inverse.html
http://mathworld.wolfram.com/InverseFunction.html
http://en.wikipedia.org/wiki/Inverse_function

1.) y = 2x
Inverse function is
y = x/2

2.) y = -x + 5
Inverse function is
y = -x + 5
(the same as original function)

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