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What is the inverse of the function " f(x) = 2x+12 / 5​
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What is the inverse of the function " f(x) = 2x+12 / 5​

What is the inverse of the function " f(x) = 2x+12 / 5​-example-1
User DanC
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1 Answer

6 votes

Answer:

B. f-1(x) = (5/2) x - 6.

Explanation:

f(x) = (2x + 12) / 5

5 f(x) = 2x + 12

2x = 5 f(x) - 12

x = (5 f(x) - 12) / 2 ow replace the x by f-1(x) and f(x) by x:

f-1(x) = ( 5x - 12)/ 2

f-1(x) = (5/2) x - 6.

User Damian Moore
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