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EXECUÇÃO DO PROJETO DE APRENDIZAGEM

                             ALUNO: Liliane Guedes Baio Camponez



                                  FUNÇÃO EXPONENCIAL


       Este planejamento tem como objetivo mostrar as aplicações da função exponencial,
explorar as características da função exponencial utilizando o software Geogebra.

       Para a execução desse planejamento será necessário um laboratório de informática
com internet e o software Geogebra instalado.

       A avaliação deverá ser continua promovendo o conhecimento dos conceitos,
   observando as atitudes e os procedimentos durante a execução do trabalho.




PRIMEIRA ATIVIDADE:

      A turma deverá ser dividida em grupos ( 2 ou 3 alunos).
      Cada grupo deverá fazer uma pesquisa na internet sobre as aplicações e a importância
       da função exponencial no nosso dia a dia.
      Logo após cada grupo deverá apresentar para os demais alunos o resultado da sua
       pesquisa. Para a apresentação os alunos poderão usar o PowerPoint/cartazes ... de
       acordo com a criatividade de cada grupo.



SEGUNDA ATIVIDADE:



   1) Complete a tabela abaixo;
                                                   x                                 x
                              x              1                  x            1
         x                   2                                 4              
                                             2                               2
                         3
                   1 1
        -3     2 =   = = 0,125
                 -3

                   2 8
        -2

        -1
0

     1           1
     2         2 2  2  1,4

     1

     2

     3




2) A partir da leitura da tabela e do gráfico abaixo identifique qual é a representação
   algébrica de f?




3) Agora vamos utilizar o software Geogebra para construímos gráficos de funções
   exponenciais.


   Construa gráficos de várias funções do tipo f(x) = ax onde 0 < a < 1 e observe o
   comportamento do gráfico dessas funções.
   Podemos generalizar o comportamento do gráfico de uma função f(x) = ax se 0 < a <
   1? Justifique a sua resposta.
Agora faça o mesmo para a > 1. Anote suas conclusões.


      Em qual ponto essas funções interceptam o eixo y? Esse fato ocorre em todas as
      funções do tipo f(x) = ax?




   4) Construa o gráfico da função y = 1x. Essa função pode ser chamada de exponencial?
      Justifique sua resposta.




   5) Observe as funções que você construiu por meio do software Geogebra, escreva qual é
      o domínio, o conjunto imagem e o contradomínio de uma função exponencial.




      BIBLIOGRAFIA:

www.geogebra.org/

http://educacao.uol.com.br/planos-aula/ult3907u24.jhtm

http://joaquimprofessor.files.wordpress.com/2011/05/04-func3a7c3a3o-
exponencial1.pdf

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Execução do projeto de aprendizagem função exponencial - liliane

  • 1. EXECUÇÃO DO PROJETO DE APRENDIZAGEM ALUNO: Liliane Guedes Baio Camponez FUNÇÃO EXPONENCIAL Este planejamento tem como objetivo mostrar as aplicações da função exponencial, explorar as características da função exponencial utilizando o software Geogebra. Para a execução desse planejamento será necessário um laboratório de informática com internet e o software Geogebra instalado. A avaliação deverá ser continua promovendo o conhecimento dos conceitos, observando as atitudes e os procedimentos durante a execução do trabalho. PRIMEIRA ATIVIDADE:  A turma deverá ser dividida em grupos ( 2 ou 3 alunos).  Cada grupo deverá fazer uma pesquisa na internet sobre as aplicações e a importância da função exponencial no nosso dia a dia.  Logo após cada grupo deverá apresentar para os demais alunos o resultado da sua pesquisa. Para a apresentação os alunos poderão usar o PowerPoint/cartazes ... de acordo com a criatividade de cada grupo. SEGUNDA ATIVIDADE: 1) Complete a tabela abaixo; x x x 1 x 1 x 2   4   2 2 3 1 1 -3 2 =   = = 0,125 -3 2 8 -2 -1
  • 2. 0 1 1 2 2 2  2  1,4 1 2 3 2) A partir da leitura da tabela e do gráfico abaixo identifique qual é a representação algébrica de f? 3) Agora vamos utilizar o software Geogebra para construímos gráficos de funções exponenciais. Construa gráficos de várias funções do tipo f(x) = ax onde 0 < a < 1 e observe o comportamento do gráfico dessas funções. Podemos generalizar o comportamento do gráfico de uma função f(x) = ax se 0 < a < 1? Justifique a sua resposta.
  • 3. Agora faça o mesmo para a > 1. Anote suas conclusões. Em qual ponto essas funções interceptam o eixo y? Esse fato ocorre em todas as funções do tipo f(x) = ax? 4) Construa o gráfico da função y = 1x. Essa função pode ser chamada de exponencial? Justifique sua resposta. 5) Observe as funções que você construiu por meio do software Geogebra, escreva qual é o domínio, o conjunto imagem e o contradomínio de uma função exponencial. BIBLIOGRAFIA: www.geogebra.org/ http://educacao.uol.com.br/planos-aula/ult3907u24.jhtm http://joaquimprofessor.files.wordpress.com/2011/05/04-func3a7c3a3o- exponencial1.pdf