Find f¹(x) for the function f(x) = -4. 2 f¹(x) = [?]x + [ ]

Carlos Gonzalez asked Jan 25, 2023

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31 votes

Find f¹(x) for the function
f(x) = -4.
2
f¹(x) = [?]x + [ ]

Carlos Gonzalez asked Jan 25, 2023

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26 votes

Answer:

${f}^( - 1)(x) = 2x + 8$

Explanation:

$f(x) = (x)/(2) - 4 \\ \\ y = (x)/(2) - 4 \\ \\ y = (x - 8)/(2) \\ \\ x = 2y + 8 \\ \\ {f}^( - 1) (x) = 2x + 8$

Hamishtaplin answered Jan 31, 2023

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