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Vesnalui [34]
2 years ago
13

Please answer i will give you

Mathematics
1 answer:
SCORPION-xisa [38]2 years ago
3 0

Answer: C) f^{-1}(x)=3-7x

Step-by-step explanation:

When solving for an inverse of a function replace f(x) with x and replace the original x with y.

f(x) = \frac{3-x}{7} \\x=\frac{3-y}{7}

Now solve for y

x=\frac{3-y}{7} \\(7)x=(\frac{3-y}{7}) (7)\\7x=3-y\\7x+y=3-y+y\\7x+y=3\\7x-7x+y=3-7x\\y=3-7x

Replace y with the f^{-1}(x)

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