HELPPPPP PLZZZ I'LL MARK BRAINLIESTT

1 answer:

4 0

Answer:

231

Step-by-step explanation:

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Sloan [31]

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The answer is A.

Step-by-step explanation:

Lets call f(x)=y, so y= 4*(3*x-5), we want to find 'x', using 'y' as a the variable.

$y=12x-20\\ y+20=12x\\ x=\frac{y+20}{12}$

Now lets change the name of 'y' to 'x', and 'x' to f^-1(x).

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