Questão Resolvida: CALCULO-II (Univesp) - Semana 1 | Biblioteca do Aluno

Geral

CALCULO-II

Semana 1

0

Questão

O domínio de uma função de duas variáveis $g (x, y) = 9 - x^{2} - y^{2}$ g(x,y)=9-x^{2}-y^{2}

A)

$x^{2} + y^{2} > 9$ x^{2}+y^{2}>9

B)

$x^{2} + y^{2} = 9$ x^{2}+y^{2}=9

C)

$x^{2} + y^{2} \geq 9$ x^{2}+y^{2}\ge 9

D)

$x^{2} + y^{2} < 9$ x^{2} + y^{2} < 9

E)

$x^{2} + y^{2} \leq 9$ x^{2}+y^{2}\leq 9

function vote(questaoId, value) { window.location.href = "/accounts/login/?next=/questao/2286/"; return; fetch(`/vote/questao/${questaoId}/`, { method: 'POST', headers: { 'Content-Type': 'application/json', 'X-CSRFToken': 'oexQImKGxV73f6eoLBSDpw7oOpcxE3t1aD6UTA85nitmLjLlMrC1XxLhdiBGxBC1' }, body: JSON.stringify({ value: value }) }) .then(response => response.json()) .then(data => { if (data.success) { document.getElementById(`score-${questaoId}`).textContent = data.score; const upBtn = document.querySelector(`button[onclick="vote(${questaoId}, 1)"]`); const downBtn = document.querySelector(`button[onclick="vote(${questaoId}, -1)"]`); upBtn.classList.remove('active-up'); downBtn.classList.remove('active-down'); if (data.user_vote === 1) upBtn.classList.add('active-up'); if (data.user_vote === -1) downBtn.classList.add('active-down'); } }); }