Considere a função f( x) = 3x − 4 e indique o coeficiente angular.
FUNÇÃO AFIM

Quiz
•
Mathematics
•
2nd Grade
•
Medium
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6 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
-4
3
3x
x
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Considere a função f(x) = − 2x + 5 e calcule f( - 2)
1
-9
-1
9
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
( 0; 4)
( 4; 0)
( 5; 0)
( 0; 5)
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A função afim tal que f(1) = 3 e f(2) = -1 é:
f(x) = -4x + 7
f(x) = 2x + 5
f(x) = x + 3
f(x) = 3x
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Seja f(x) = ax + b. Sabendo que f(1) = 3, qual o valor de a + b?
5
4
3
2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Um tanque de água está sendo enchido a uma taxa constante. Após 4 horas, o tanque está com 900 litros de água. Qual a função que representa o volume de água no tanque em função do tempo?
v(t) = 900t
v(t) = 150t
v(t) = 300t
v(t) = 225t
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