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Mathematics 21 Online
OpenStudy (anonymous):

If f(x) = |x + 8|, find f(−11).

OpenStudy (anonymous):

put x=-11 in |x+8|

OpenStudy (gorv):

put x=-11

OpenStudy (gorv):

f(-11)=|-11+8|

OpenStudy (gorv):

mod will give you positive value alwyss

OpenStudy (gorv):

-11+8=-3

OpenStudy (anonymous):

|-11+8|=3

OpenStudy (gorv):

mod will remove minus

OpenStudy (anonymous):

Mod?

OpenStudy (anonymous):

as mod gives positive values

OpenStudy (gorv):

make negative positive

OpenStudy (anonymous):

o_O

OpenStudy (gorv):

modulus =mod=||

OpenStudy (anonymous):

oh lol I thought you ere talking to the mod lol

OpenStudy (anonymous):

thank you cx

OpenStudy (gorv):

hahaha....

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