Adhdlenell Adhdlenell

26-01-2018
Mathematics

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f(x)=9-2|x+2|

Evaluate f(-7)

A. -1
B. -15
C. 1
D.19
------------
f(x)=|x+7|

Evaluate f(-12)

A. -5
B.19
C.5
D.-19

Respuesta :

choixongdong choixongdong

26-01-2018

F(x)=9-2|x+2|

Evaluate f(-7)
f(-7) = 9-2|-7+2|
f(-7) = 9 -2|-5|
f(-7) = 9-10
f(-7) = -1

answer

A. -1

f(x)=|x+7|

Evaluate f(-12)

f(-12)=|-12+7|
f(-12)=|-5|
f(-12) = 5

answer

C.5

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