malolomom malolomom

13-08-2021
Mathematics

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Find the inverse of f(x) = -4+7/2x

Find the inverse of fx 472x class=

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wegnerkolmp2741o wegnerkolmp2741o

13-08-2021

Answer:

2/7x + 8/7

Step-by-step explanation:

f(x) = -4 + 7/2x

y = -4+7/2x

Exchange x and y

x = -4 +7/2y

Solve for y

Add 4 to each side

x+4 = -4+4 +7/2y

x+4 = 7/2y

Multiply each side by 2/7

2/7(x+4) = 2/7 * 7/2y

2/7(x+4) = y

2/7x + 8/7

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