
Functii
Authored by Nicolae Popa
Mathematics
8th Grade
Used 101+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă f(x) = x + 5, atunci f(-3) este egal cu
8
2
-8
-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce valoare are numărul m, dacă pentru funcția f(x) = mx+ 2, știm că f(1) = 0 ?
0
1
-2
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
În imagine vedeți reprezentarea geometrică a graficului unei funcții f(x). Care afirmații sunt corecte ?
domeniul de definiție al funcției f este mulțimea {0,1,2,3,4,5}
codomeniul funcției f este mulțimea {-1, 0, 1, 2, 3}
f(0) = 4
imaginea lui 3 prin funcția f este egală cu 1
f(3) + f(1) = 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă punctul A(-1;0) aparține reprezentării geometrice a graficului funcției dată prin formula f(x) = x - a, atunci
a = 0
a = - 2
a = 1
a = - 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Daca punctul A(1;5) se gaseste pe graficul functiei liniare , data prin f(x) = ax +3, atunci valoarea reala a lui a este:
-2
2
3
-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coordonatele punctului de intersectie a reprezentarii grafice a functiei cu axa absciselor sunt:
(2;0)
(0;2)
(3;0)
(0;3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Valoarea lui m pentru care punctul M(m; 17) se gaseste pe graficul functiei este:
2
-3
3
-2
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