alanava alanava

29-09-2016
Mathematics

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Please help. here is a screenshot of the question.

Please help here is a screenshot of the question class=

Respuesta :

29-09-2016

Hello,

1) the line parallele to ox passing by (1,4) has for equation y=4

f(x)=4 if -1<=x<=1

2) the line pasing through (3,2) and (5,4) has for equation:

y-2=(4-2)/(5-3)(x-3)
==>y=x-3+2
==>y=x-1

f(x)=x-1 if 3<=x<=5.

Answer Link

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