sockmonkey50 sockmonkey50

16-03-2020
Mathematics

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Which function is the inverse of f(x) = -5x - 4?

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wegnerkolmp2741o wegnerkolmp2741o

16-03-2020

Answer:

-1/5 x -4/5

Step-by-step explanation:

Rewrite the function as

y = -5x-4

Exchange x and y

x = -5y -4

Solve for y

Add 4 to each side

x+4 = -5y -4+4

x+4 = -5y

Divide each side by -5

(x+4) /-5 = -5y/-5

-x/5 -4/5 =y

The inverse is -1/5 x -4/5

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