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irga5000 [103]
3 years ago
12

Inverse of the function f(x) = 2x + 5?

Mathematics
2 answers:
Sindrei [870]3 years ago
8 0

Answer:

          x - 5

y = --------------

             2

Step-by-step explanation:

1.  Replace "f(x)" with "y:"  y = 2x + 5

2.  Interchange x and y:  x = 2y + 5

3.  Solve this result for y:

2y = x - 5, or

       

          x - 5

y = --------------

             2

andrew-mc [135]3 years ago
3 0

Answer:

y^{-1} =\frac{1}{2} x-\frac{5}{2}

Step-by-step explanation:

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