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Funcoes trigonométricas 1

Authored by M. Lagido

Mathematics

11th Grade

Used 9+ times

Funcoes trigonométricas 1
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5 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A figura representa a função f de domínio IR definida por

 f(x)=12cos x f\left(x\right)=\frac{1}{2}-\cos\ x\  
Os pontos A e B correspondem a extremos e  C pertence ao gráfico e ao eixo das abcissas. Qual é o contradomínio da função?

[-1,1]

[-1/2, 3/2]

[1/2, 3/2]

[0,1/2]

2.

OPEN ENDED QUESTION

3 mins • Ungraded

Media Image

Determina as coordenadas dos pontos A, B e C.

Recorda a função f.

Evaluate responses using AI:

OFF

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quanto à paridade, a função f é :

Par

Ímpar

Nem par nem ímpar

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A função g definida por:

 g(x)=sen(πx)g\left(x\right)=sen\left(\pi x\right)  quantos zeros tem no intervalo  [0, 5]\left[0,\ 5\right]  ?

2

4

5

6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A função g definida por :
 g(x)=sen(πx)g\left(x\right)=sen\left(\pi x\right)  
 tem período positivo mínimo:

1

2

 π\pi  

 2π2\pi  

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