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25-07-2021
Mathematics

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Keith used the following steps to find the inverse of f, but he thinks he made a error
f(x) = 7x + 5

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kamilmatematik100504 kamilmatematik100504

25-07-2021

Answer:

Step-by-step explanation:

[tex]\Large \boldsymbol{} f(x) \ \ inverse \ \ function \ \ (f(x))^{-1} \\\\ y=7x+5 \\\\x=7y+5 \\\\ y=\dfrac{x-5}{7} \ \ or \ \ f(x)^{-1}= \dfrac{x-5}{7}[/tex]

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