Math Problem Statement
01.(FUVEST) Sejam π(π₯) = 2π₯ β 9 e π(π₯) = π₯ 2 + 5π₯ + 3. Qual Γ© o valor da soma dos valores absoli (mΓ³dulo) das raΓzes da equação π(π(π₯)) = π(π₯)? 02.(GV) Sejam π e π duas funçáes de R em R, tais que π(π₯) = 2π₯ e π(π₯) = 2 β π₯. Qual Γ© o valor de x na equação π(π(π₯)) + π(π(π₯)) = π(π(π₯)) + π(π(π₯)). 03.(MACK) As funçáes π(π₯) = 3 β 4π₯ e π(π₯) = 3π₯ + π, onde π Γ© uma constante, sΓ£o tais que π(π(π₯)) = π(π(π₯)), qualquer que seja x real. Nessas condiçáes, qual Γ© o valor da constante π? 04.(MP) Sendo π(π₯) = 2π₯2 β π₯ + 1 e π(π₯) = π₯ β 2 funçáes de R em R calcule: a) o valor de πππππππππ(3). b) os valores reais de x para que se tenha π(π(π₯)) β€ 2. π(π₯) 05.(ESPM) Considere as funçáes π(π₯) = πππ2π₯ e π(π₯) = π₯ 2 β 2π₯, definidas para todo x real estritamente positivo. Se π > 0 e π(π(2π)) = 3, quanto vale π(π)? 06.(MACK) Sejam as funçáes π e π de R em R, definidas por π(π₯) = π₯ 2 β 4π₯ + 10 e π(π₯) = β5π₯ + 20. Qual Γ© o valor da expressΓ£o π¦ = (π(4)) 2β π(π(4)) ? π(0) β π(π(0)) 07.(MACK) Se π(π₯) = βπ β π₯ 2, π(π₯) = βπ β π₯, e π(π(2)) = 2, calcule o valor de π(π(0)). 08.(MP) Para um nΓΊmero real fixo πΌ, a função π(π₯) = πΌ. π₯ β 2 Γ© tal que π(π(1)) = β3. Qual Γ© o valor de πΌ? 09.(ESPM) Considere as funçáes reais π(π₯) = 2π₯ + 1 e π(π₯) = π₯ β π, com π π R. Podemos afirmar que πππ(π₯) = πππ(π₯) para qualquer x real se o valor de π for igual a: a) 0 b) 1 c) 2 d) β 2 e) β 1 10.(ESPM) Na função real π(π₯) = π. π₯ + π, com π e π reais e π β 0, sabe-se que π(π₯ 2 β 1) = 3π₯2 β 2 para qualquer x real. EntΓ£o, podemos afirmar que: a) π + π = 5 b) 2π β π = 5 c) π β π = 1 d) π β 2π = 0 11.(ESPM) Na função π(π₯) = 2 π₯ β π₯, o valor de πππ(0) + πππ(1) + πππ(2) + πππ(3) Γ©: a) 28 b) 29 c) 30 d) 31 e) 32 e) π + 2π = 7 12.(MACK) Considere as funçáes π(π₯) = 4π₯ + 5 e h(π₯) = 3π₯ β 2, definidas em R. Um estudante que resolve
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Math Problem Analysis
Mathematical Concepts
Function composition
Quadratic equations
Function equality
Formulas
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Theorems
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Suitable Grade Level
Grades 11-12
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