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Q3652531 Matemática
Resolva 3^(2x − 1) = 27 com manipulação de potências e indique x em valor exato.
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Q3652530 Matemática
Para f(x) = −3x + 4 em ℝ, isole x e indique f⁻¹(x) na forma simplificada. 
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Q3652529 Matemática
Considere f(x) = (x − 1) ÷ √(5 − x). Determine o domínio em ℝ na forma de intervalo.
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Q3652528 Matemática
Entre as sentenças a seguir, selecione a que define função f: ℝ → ℝ para todo x e está definida em todos os reais.
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Q3652527 Matemática
Resolva |2x − 3| < 5 em ℝ e assinale a solução em intervalos.
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Q3652526 Matemática
No conjunto dos reais, simplifique √18 ÷ √2 e marque o valor exato.
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Q3652525 Matemática
Para a=54 e b=36, use a igualdade a·b = mdc(a,b)·mmc(a,b). Calcule e marque o mmc(a,b).
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Q3652524 Raciocínio Lógico
Em uma classe com 60 estudantes, há clubes A, B e C, sendo n(A)=26, n(B)=22, n(C)=20, com n(A∩B)=8, n(A∩C)=7, n(B∩C)=5 e n(A∩B∩C)=3. Quantos alunos pertencem a, exatamente, dois clubes?
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Q3652508 Inglês
In the sentence “After three drafts and several peer reviews, the remaining errors were negligible for publication”, infer the meaning of the word “negligible” from context:
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Q3652507 Inglês
Consider the paragraph “The school extended library hours during exams. However, usage decreased in the first week. Therefore, the staff planned workshops on research skills.” Identify how the marker “However” guides the relation between the first two sentences:
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Q3652506 Inglês
Observe the notice “Wash hands before entering the lab. Wear goggles at all times. Report spills to the teacher immediately.” Identify the genre and communicative intention represented by the excerpt:
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Q3652505 Inglês
Read the two sentences “Ms Lee met the parents, and they asked about the new schedule. This helped the team plan the workshops.” Identify the referent of the deictic “This” in the second sentence:
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Q3652504 Inglês
In the sentence “What the class produced impressed the panel”, identify the syntactic function of the clause “What the class produced”:
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Q3652503 Inglês
In a teacher training brochure, select the option that applies English derivation and compounding with conventional spelling:
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Q3652502 Inglês
For a class survey on library use, select the sentence that distributes quantifiers according to countable and uncountable nouns:
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Q3652501 Inglês
In a meeting about exam procedures, choose the option that forms a balanced question tag that seeks confirmation from the group:
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Q3652500 Inglês
After a power failure due to unchecked cables last night, select the sentence that correctly expresses the counterfactual condition in the past:
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Q3652499 Inglês
In a report to the principal, convert the student's words to reported speech with appropriate backshift and reference for the sentence “I am working on the essay today”:
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Q3652498 Inglês
In a classroom newsletter, choose the sentence that links contrast and cause with conventional conjunctions while keeping cohesive reference:
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Q3652497 Inglês
In a schedule notice for a school trip, indicate the option that uses time and movement prepositions with common collocations:
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Respostas
701: A
702: E
703: A
704: E
705: D
706: C
707: B
708: A
709: D
710: B
711: E
712: C
713: A
714: D
715: B
716: E
717: C
718: A
719: D
720: B