game2k1 game2k1

05-06-2019
Mathematics

contestada

if f(x) and f^-1 (x) are inverse fuctions of each other and f(x) = 2x+5 what is f^-1(8)

Respuesta :

mjmccarth1210 mjmccarth1210

05-06-2019

Answer:

1.5

Step-by-step explanation:

first you find the inverse of the equation

Switch the x and y so

x=2y+5

x-5=2y

(x-5)/2=y

then you plug in 8 for x

f-1(8)= (8-5)/2

f-1(8)= 1.5

Answer Link

joshua062320 joshua062320

03-03-2021

Answer:

Its B. 3/2

Step-by-step explanation:

Just took this lol :)

Answer Link

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