asael25050 asael25050

21-07-2021
Mathematics

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If f(x) = -5x - 11, then f-1(x) =

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wegnerkolmp2741o wegnerkolmp2741o

21-07-2021

Answer:

f^-1(x) = -1/5(x+11)

Step-by-step explanation:

f(x) = -5x - 11

y = -5x - 11

Exchange x and y

x = -5y -11

Solve for y

x+11 = -5y-11+11

x+11 = -5y

Divide by -5

(x+11)/-5 = -5y/-5

-1/5(x+11) = y

f^-1(x) = -1/5(x+11)

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