QUESTÃO 6 E 7 ESTÃO ERRADAS SE POSSIVEL ME DAR RESPOSTA CERTA E EXPLICAÇÃO COMO SÃO DUAS AI VAI 15 PONTOS VALEU !!
Anexos:
Soluções para a tarefa
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Boa noite David!
Solução!
![Podemos~~afirmar~~que~~s\~ao~~as corretas!\\\\\\\
A) ~~O ~~zero~~da~~func\~ao~~e~~ \frac{3}{5} \Rightarrow Verdadeiro\\\\\
B)~~ E~~crescente\Rightarrow Verdadeiro\\\\
D)~~E~~do ~~primeiro~~grau\Rightarrow Verdadeiro\\\\\\
C)~~Falsa\\\\\
E)~~Falsa](https://tex.z-dn.net/?f=Podemos%7E%7Eafirmar%7E%7Eque%7E%7Es%5C%7Eao%7E%7Eas+corretas%21%5C%5C%5C%5C%5C%5C%5C%0AA%29+%7E%7EO+%7E%7Ezero%7E%7Eda%7E%7Efunc%5C%7Eao%7E%7Ee%7E%7E+%5Cfrac%7B3%7D%7B5%7D+%5CRightarrow+Verdadeiro%5C%5C%5C%5C%5C%0AB%29%7E%7E+E%7E%7Ecrescente%5CRightarrow+Verdadeiro%5C%5C%5C%5C%0AD%29%7E%7EE%7E%7Edo+%7E%7Eprimeiro%7E%7Egrau%5CRightarrow%C2%A0Verdadeiro%5C%5C%5C%5C%5C%5C%0AC%29%7E%7EFalsa%5C%5C%5C%5C%5C%0AE%29%7E%7EFalsa "Podemos~~afirmar~~que~~s\~ao~~as corretas!\\\\\\\
A) ~~O ~~zero~~da~~func\~ao~~e~~ \frac{3}{5} \Rightarrow Verdadeiro\\\\\
B)~~ E~~crescente\Rightarrow Verdadeiro\\\\
D)~~E~~do ~~primeiro~~grau\Rightarrow Verdadeiro\\\\\\
C)~~Falsa\\\\\
E)~~Falsa")
Exercício 7
![cos60\º= \frac{1}{2}\\\\\\
x=comprimento ~~do~~ cabo\\\\\\
Cateto~~adjacente=100m\\\\\\\\
\dfrac{Cateto~~adjacente}{x}=cos60\º\\\\\\\
\dfrac{100}{x}= \dfrac{1}{2} \\\\\\\\
x.1=100.2\\\\\\\\\
x=200m\\\\\\
Resposta: O cabo~~tem~~200m~~de~~comprimento](https://tex.z-dn.net/?f=cos60%5C%C2%BA%3D+%5Cfrac%7B1%7D%7B2%7D%5C%5C%5C%5C%5C%5C%0Ax%3Dcomprimento+%7E%7Edo%7E%7E+cabo%5C%5C%5C%5C%5C%5C%0ACateto%7E%7Eadjacente%3D100m%5C%5C%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7BCateto%7E%7Eadjacente%7D%7Bx%7D%3Dcos60%5C%C2%BA%5C%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B100%7D%7Bx%7D%3D+%5Cdfrac%7B1%7D%7B2%7D+%5C%5C%5C%5C%5C%5C%5C%5C%0Ax.1%3D100.2%5C%5C%5C%5C%5C%5C%5C%5C%5C%0Ax%3D200m%5C%5C%5C%5C%5C%5C%0A%0AResposta%3A+O+cabo%7E%7Etem%7E%7E200m%7E%7Ede%7E%7Ecomprimento+++ "cos60\º= \frac{1}{2}\\\\\\
x=comprimento ~~do~~ cabo\\\\\\
Cateto~~adjacente=100m\\\\\\\\
\dfrac{Cateto~~adjacente}{x}=cos60\º\\\\\\\
\dfrac{100}{x}= \dfrac{1}{2} \\\\\\\\
x.1=100.2\\\\\\\\\
x=200m\\\\\\
Resposta: O cabo~~tem~~200m~~de~~comprimento")
Boa noite!
Bons estudos!
Solução!
Exercício 7
Boa noite!
Bons estudos!
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