
Retomada de conteúdo função do 1° grau

Quiz
•
Mathematics
•
1st Grade
•
Easy
Used 3+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
"Uma função do primeiro grau é aquela cuja lei de formação pode ser escrita na seguinte forma:
y = ax + b
Na qual, a e b pertencem ao conjunto dos números reais, e a é diferente de __________.
Zero
Um
Dois
1/2
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Um motorista de táxi cobra, para cada corrida, uma taxa fixa de R$ 5,00 e mais R$ 2,00 por quilômetro rodado.
Qual a função que representa a situação problema?
f (x) 5 + 2 . km
f (x) 5 + 3 . km
f (x) 5 km + 2
f (x) 5 + 10 . km
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A função: 2x + 8 é:
Crescente
Decrescente
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A função: - 3x + 9 é:
Crescente
Decrescente
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com o gráfico essa função é:
Crescente
Decrescente
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
O gráfico da função indica que a função é:
Crescente
Decrescente
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Calcule
f (4) 10 + 3x
22
120
122
49
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