Question

Resolva e Construa as funções do 1° Grau:

A) Y = X + 2 (1,2,3,4,5)
B) Y = -3 + X (-2,-1,0,1,2)

Answer 1

$\large\boxed{\begin{array}{l}\sf A)~\rm y=x+2\\\rm x=1\longrightarrow y=1+2=3\\\rm x=2\longrightarrow y=2+2=4\\\rm x=3\longrightarrow y=3+2=5\\\rm x=4\longrightarrow y=4+2=6\\\rm x=5\longrightarrow y=5+2=7\\\boxed{\begin{array}{c|c}\rm x&\rm y\\\rm1&\rm3\\\rm 2&\rm4\\\rm3&\rm5\\\rm4&\rm6\\\rm5&\rm7\end{array}}\\\rm O\,gr\acute afico\,est\acute a\,\,no\,anexo\,1\end{array}}$

$\large\boxed{\begin{array}{l}\sf B)~\rm y=-3+x\\\rm x=-2\longrightarrowy=-3-2=-5\\\rm x=-1\longrightarrow y=-3-1=-4\\\rm x=0\longrightarrow y=-3+0=-3\\\rm x=1\longrightarrow y=-3+1=-2\\\rm x=2\longrightarrow y=-3+2=-1\\\boxed{\begin{array}{c|c}\rm x&\rm y\\\rm-2&\rm-5\\\rm-1&\rm-4\\\rm0&\rm-3\\\rm1&-2\\\rm2&\rm-1\end{array}}\\\rm o\,gr\acute afico\,est\acute a\,no\,anexo\,2\end{array}}$