KellyT124 KellyT124

06-03-2019
Mathematics

contestada

Find the inverse of the function:

f(x)=1/2 x + 9

(if its possible please show steps)

Respuesta :

mwalsh02 mwalsh02

06-03-2019

Answer:

y = 2x - 18

Step-by-step explanation:

replace the f(x) for y

y = 1/2 x + 9

switch y and x

x = 1/2y + 9

solve for y

subract 9

x - 9 = 1/2y

divide by 1/2 or multiply by the reciprocal (2)

y = 2x -18

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