
função do 1º grau
Authored by Gerson Neves
Mathematics
9th Grade
CCSS covered
Used 29+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6.Se f (x) = 2x - 1, então:
a) f(0) = 0
b) f(0) = 1
c) f(0) = 2
d) f(0) = -1
Tags
CCSS.HSF.IF.A.1
CCSS.HSF.IF.A.2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dado f(x) = - 5 - x, o valor de f( -3) é igual a
0
-2
3
-7
-8
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dado f(x) = 4x - 2, qual o valor de f(2) - f(3)
-2
-4
2
3
4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Uma padaria vende o kg do pão a R$ 14,00. João, toda manhã, compra pães nessa padaria e sempre paga no cartão de crédito. Sabendo que a padaria cobra uma taxa fixa de R$ 2,00 para compras no cartão de crédito, ache:a) a função de primeiro grau que descreve o valor a ser pago por João.
f(x) = - 14x
f(x) = 14x
y = 2 + 14x
y = 2x + 14
f(x) = 2x + 14
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dada a seguinte função linear a seguir (polinomial do 1º grau):
y = (5/3)x.
O coefienciente "a", é:
a = (5/3)x
a = 0
b = (5/3)
a = (5/3)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
De acordo com a seguinte função:
f(x) = 2x - 6.
Qual afirmação é a correta?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
é uma função do 1º grau, indique a alternativa verdadeira
é uma função decrescente
O coeficiente linear é 2
O coeficiente angular é 5
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