Question

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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Answer 1

Explanation:

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