Intervalos e funções

Intervalos e funções

Professional Development

7 Qs

quiz-placeholder

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Intervalos e funções

Intervalos e funções

Assessment

Quiz

Mathematics

Professional Development

Practice Problem

Hard

Created by

MARCELIA TEIXEIRA

Used 2+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A diagrama representa qual tipo de função:

injetora

sobrejetora

bijetora

não é função

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A diagrama representa qual tipo de função:

injetora

sobrejetora

bijetora

não é função

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A diagrama representa qual tipo de função:

injetora

sobrejetora

bijetora

não é função

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sendo A = [ 0, 3 ] e B = [1, 5[, A ∪ B é:

[0,5]

[0,5[

[1,3]

[0,1]

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sejam os conjuntos A = {x ∈IR / 1 < x < 5 } e B = {x ∈IR / 2 ≤ x ≤ 6 }. Então A ∩ B é:

{ ,2 ,3 4 }

{x ∈IR / 2 ≤ x ≤ 5 }

{x ∈IR / 2 < x < 5 }

{x ∈IR / 2 < x ≤ 5 }

{x ∈IR / 2 ≤ x < 5 }

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sejam os conjuntos A = {x ∈IR / 0 ≤ x ≤ 3 }, B = {x ∈IR x/ ≤ 3 } e C = {x∈IR /− 2 ≤ x ≤ 3 } O conjunto (B − A) ∩ C é igual a:

{x ∈IR x/ < 0 }

{x ∈IR x/ > −2}

{x ∈IR /− 2 ≤ x < 0 }

{x ∈IR /− 2 < x ≤ 3 }

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sendo a função f : R → R por f(x) = x² - 2x -10, a imagem de f(-3) é

-13

-25

-5

5

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