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15-03-2018
Mathematics

contestada

1.
(08.01 MC) Determine all zeros for the function f(x)=(x2−2−8)(x+6)

-48

-8

-6

-4

-2

0

2

4

6

8

48

Respuesta :

amirreza688 amirreza688

15-03-2018

f(x)=(x2−2x−8)(x+6)
first
x+6=0
x=-6
then
x^2-2x-8=0
(x-4)(x+2)=0
x=4
x=-2
so 4,-2,-6 are zeros of this function

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