O que é uma função?
Funções do 1 grau

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Mathematics
•
1st Grade
•
Easy
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1.
FLASHCARD QUESTION
Front
Back
Uma relação de dependência entre duas grandezas.
2.
FLASHCARD QUESTION
Front
O que significa f(x)?
Back
f(x) significa o mesmo que y.
3.
FLASHCARD QUESTION
Front
Na função F(x) = ax + b, o que representa 'a'?
Back
O coeficiente angular da reta.
4.
FLASHCARD QUESTION
Front
Na função F(x) = ax + b, o que representa 'b'?
Back
O coeficiente linear da reta.
5.
FLASHCARD QUESTION
Front
Se a = -2 e b = 5, qual é a função?
Back
F(x) = -2x + 5.
6.
FLASHCARD QUESTION
Front
Qual é o gráfico da função F(x) = -3x + 8?
Back
Decrescente.
7.
FLASHCARD QUESTION
Front
Como se calcula o valor de x quando y = 0 na função y = 3x + 9?
Back
Substitua y por 0 e resolva: 0 = 3x + 9, x = -3.
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