
Funções Matemáticas
Authored by BRUNA FARIA
Mathematics
12th Grade
Used 3+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identifique se a função f(x) = 2x + 3 é linear ou não linear.
cubic
exponential
linear
quadratic
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resolva a equação f(x) = 4x - 5 para x = 3.
3
10
7
8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é o domínio da função g(x) = √(x + 4)?
x ≥ -4
x > -4
x ≤ -4
x = -4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcule a imagem da função h(x) = x^2 - 1 para x = 2.
5
4
6
3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine se o sistema de equações abaixo tem solução única: 2x + y = 5 e x - y = 3.
Sim, o sistema tem solução única, pois a soma dos coeficientes das equações é igual.
Sim, o sistema tem solução única, pois o determinante da matriz dos coeficientes é diferente de zero.
Não, o sistema não tem solução única, pois a variável y não está presente em uma das equações.
Não, o sistema não tem solução única, pois o determinante da matriz dos coeficientes é igual a zero.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identifique se a função f(x) = x^2 + 3x - 2 é linear ou não linear.
nonlinear
quadratic
linear
exponential
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Resolva a equação f(x) = 2x + 7 para x = -2.
3
5
10
0
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