Fie funcția f:R->R , f(x)=2x-1 . Aflați f(1) .
Functii de forma f(x)=ax+b

Quiz
•
Mathematics
•
8th Grade
•
Easy
Gabriela Popa
Used 1+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
f(1)=0
f(1)=1
f(1)=2
f(1)=-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fie funcția f:{-2,-1,0,1,2}->{0,1,2,3,5},f(x)=x+2 .Punctul A(3;5) aparține mulțimii graficului funcției?
DA
NU
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Valoarea lui "a" din tabelul alăturat este :
8
7
6
9
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Fie funcția f:R->R , f(x)=2x+3.Punctul care se află pe graficul acestei funcții și are abscisa egală cu ordonata ( adică punctul de forma A(a,a) ) , este:
A(-1,-1)
A(-2,-2)
A(-3,-3)
A(-4,-4)
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Fie funcția f:R->R , f(x) = 3x-5 . Dacă punctul P(a;1) se află pe graficul funcției,atunci valoarea lui "a" este :
a=1
a=-1
a=0
a=2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Care dintre următoarele diagrame reprezintă o funcție ?
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Aflați funcția f:R->R , f(x)=ax+b a cărei grafic trece prin punctele A(1;3) și B(-2;-3).
f(x)=-2x-1
f(x)=2x+1
f(x)=2x-1
f(x)=x+2
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