Introduzione alle funzioni

Introduzione alle funzioni

10th Grade - University

25 Qs

quiz-placeholder

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Introduzione alle funzioni

Introduzione alle funzioni

Assessment

Quiz

Mathematics

10th Grade - University

Practice Problem

Hard

Created by

Andrea Gabrielli

Used 190+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

La funzione nell'immagine ha dominio e codominio

Df : x Cf : y >3D_f\ :\ \forall x\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ C_f\ :\ y\ >-3

Df : x0 Cf : y D_f\ :\ x\ne0\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ C_f\ :\ \forall y\

Df : x 0 Cf : y 3 D_f\ :\ x\ \ne0\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ C_f\ :\ y\ \ge-3\

Df : x 0 Cf : 3y1 y>0D_f\ :\ x\ \ne0\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ C_f\ :\ -3\le y\le-1\ \ \vee\ \ \ y>0

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

La funzione è positiva per

x <3 x>2x\ <-3\ \ \ \ \vee\ \ \ \ \ x>2

x<3 x>0x<-3\ \ \ \ \ \vee\ \ \ \ \ \ x>0

2<x<0 -2<x<0\ \ \

x<2 x>0x<-2\ \ \ \ \ \ \ \vee\ \ \ \ \ \ x>0

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

La funzione è negativa per

x<3 x>0x<-3\ \ \ \ \ \ \vee\ \ \ \ \ \ x>0

3<x<0-3<x<0

x>2x>-2

3<x<1-3<x<-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

La funzione vale zero per

 x=3x=-3  

 x=1            x=2x=-1\ \ \ \ \ \ \ \vee\ \ \ \ \ x=2  

 x=3            x=0x=-3\ \ \ \ \ \ \vee\ \ \ \ \ \ x=0  

 x=0x=0  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

La funzione è crescente per

x<2 x>0x<-2\ \ \ \vee\ \ \ x>0

x>2x>2

2<x<2-2<x<2

2<x<0 0<x<2-2<x<0\ \ \ \vee\ \ 0<x<2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

La funzione è decrescente per

x<2 x>2x<-2\ \ \ \ \vee\ \ \ x>2

x<2x<-2

x>2x>2

x<3 x>2x<-3\ \ \ \ \vee\ \ \ x>2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

La funzione ______ limitata superiormente

è

non è

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