Funcția numerică. Graficul unei funcții
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Nicoleta Duta
Used 30+ times
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10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Fie f:{-2, -1, 0, 1, 2} R, definita prin f(x)=x+1. Valoarea funcției pentru x=2 este
2
3
0
1
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dacă f:{-1,0,1,2} {-7, -4,-1,2} definită prin f(x)=3x-4, atunci punctul A(1,b) aparține graficului funcției pentru b=
-7
-4
-1
2
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Fie f:{-2, -1, 0, 1, 2} →C, definita prin f(x)=x+1. Codomeniul funcției este mulțimea C =
{-2, -1, 0, 1, 2}
{-2, -1, 1,2}
{-1, 0, 1, 2, 3}
{-1, 1, 2, 3}
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Domeniul de definiție al functiei f:A {-2, -1,0, 1, 2}, definită prin f(x)=-x+3 este mulțimea A=
{-2, -1, 0, 1, 2}
{-5, -4, -3, -2, -1}
{2, 3, 4, 5}
{1, 2, 3, 4, 5}
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Se consideră funcția f:{-1, 1} {a, b}, f(x)=x-2020. Valoarea sumei a+b este egală cu
4040
-4040
-2021
-2019
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Pentru fincția f:[-6, 6] R, definită prin f(x)=2x+3 coordonatele punctului de intersecție cu axa absciselor sunt x=..., y=...
x= , y=0
x=0, y=
x= , y=0
x=0, y=
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Pentru funcția f:[-6, 6] R, definită prin f(x)=3x+2 punctul de intersecție cu axa ordonatelor este
C( ,0)
C(0, 0)
C(0, 2)
C( , )
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