jennytalia jennytalia

31-08-2017
Mathematics

contestada

f(x) = |2x-3|

find f(x) = 15

fx 2x3 find fx 15 class=

Respuesta :

mdansani1mdansani mdansani1mdansani

31-08-2017

15=|2x-3|

then you take the absolute value sign away

(1) 15=2x-3

and

(2) -15=2x-3

you have a negative 15 because it is the absolute value then you solve for both equations
and get
(1) x= 9
(2) x= -6

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