Question

Represente graficamente a equação:
y=x-4

Answer 1

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$\LARGE\boxed{\sf{\underline{Func_{\!\!,}\tilde{a}o~de~1^{\underline{o}}grau}}}\\\huge\boxed{\boxed{\boxed{\boxed{\sf{y=ax+b~a\ne0}}}}}$

$\sf{o~gr\acute{a}fico~\acute{e}~uma~reta~inclinada}\\\sf{se~a>0\longrightarrow func_{\!\!,}\tilde{a}o~crescente}\\\sf{se~a<0\longrightarrow func_{\!\!,}\tilde{a}o~decrescente}\\\boxed{\sf{\underline{Construc_{\!\!,}\tilde{a}o~do~gr\acute{a}fico}}}\\\rm{para~trac_{\!\!,}ar~o~gr\acute{a}fico~basta~obter~dois~pontos:}\\\tt{\checkmark~o~ponto~que~a~reta~corta~o~eixo~x(fac_{\!\!,}a~y=0)}\\\tt{\checkmark~o~ponto~que~a~reta~corta~o~eixo~y(fac_{\!\!,}a~x=0}$

$\sf{todo~ponto~que~pertence~ao~eixo~x~assume~a~forma~P(x,0)}\\\sf{todo~ponto~que~pertence~ao~eixo~y~assume~a~forma~P(0,y)}$

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$\sf{y=x-4}\\\sf{a=1>0\implies func_{\!\!,}\tilde{a}o~crescente}\\\sf{\underline{intersecc_{\!\!,}\tilde{a}o~do~gr\acute{a}fico~com~o~eixo~x:}}\\\sf{y=0\implies x-4=0}\\\sf{x=4}\\\sf{a~reta~passa~pelo~ponto~A(4,0)}\\\sf{\underline{intersecc_{\!\!,}\tilde{a}o~do~gr\acute{a}fico~com~o~eixo~y:}}\\\sf{x=0\implies y=0-4}\\\sf{y=-4}\\\sf{a~reta~passa~pelo~ponto~B(0,-4)}\\\sf{o~gr\acute{a}fico~est\acute{a}~anexo}$

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$\huge\boxed{\boxed{\boxed{\boxed{\tt{\ell ife}}}}}=\displaystyle\sf{\int_{birth}^{death}\dfrac{happiness}{time}~d~time}$