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Question 1
Consider the polynomial P(x) = x³ − 6x² + 11x − 6. Given that its roots form an arithmetic progression, what is the sum of the squares of those roots?
Correct Answer:
14
Question 2
Let f: ℝ − {1} → ℝ − {2} be the bijective function defined by f(x) = (2x + 3)/(x − 1). What is the rule that defines the inverse function f⁻¹(x)?
Correct Answer:
f⁻¹(x) = (x + 3)/(x − 2)
Question 3
Over the real numbers, the solution set of the logarithmic inequality log_(1/2)(x² − 5x + 7) ≥ 0 is which interval?
Correct Answer:
[2, 3]
Question 4
What is the sum of all solutions of the trigonometric equation sin(2x) = cos(x) on the closed interval [0, π]?
Correct Answer:
3π/2
Question 5
Given the complex number z = 1 + i√3, what is the value of z¹²?
Correct Answer:
4096
Question 1
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About this Exam

Prepare with the AFA Practice Questions - AFA Concurso de Admissão (Academia da Força Aérea) Exam practice quiz. This question bank includes 100 questions covering portuguese, speed, equation, length, and constant. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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AFA Practice Questions - AFA Concurso de Admissão (Academia da Força Aérea) Exam

This practice set contains 100 questions from the matching question bank and focuses on portuguese, speed, equation, length, and constant. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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