maddielauderback maddielauderback

13-08-2020
Mathematics

contestada

Let f(x)=2x-6. Solve f^-1(x) when x=2
-5
4
-2
7

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HumanBein HumanBein

13-08-2020

Answer:

4.

Step-by-step explanation:

f^-1(x) is the inverse of f(x). That means that f(x) = 2x - 6 becomes...

x = 2y - 6

2y - 6 = x

2y = x + 6

y = 1/2x + 3.

When x = 2...

y = 1/2(2) + 3

= 1 + 3

= 4.

Hope this helps!

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