Functii proprietati

Functii proprietati

10th Grade

7 Qs

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Functii proprietati

Functii proprietati

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Nicoleta Tudorache

Used 5+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Fie functia f:{0,1,2,3,4,5} \rightarrow  R. f(x) = x - 3. Imaginea functiei f (Im f ) este multimea:



{0,1,2,3,4,5}

R

N

{-3,-2,-1,0,1,2}

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Reprezentare grafica a functiei f: R \rightarrow  R, f(x)= - 3x + 2 este:

Un segment

o semidreapta

o dreapta

o multime de puncte distincte

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Functia f: R  \rightarrow  R, f(x) = - 52\frac{\sqrt{5}}{2}  x + 3 este:

descrescatoare pr R.

descrescatoare pe ( -  \infty  ; 0 ) si crescatoare pe ( 0;  +\ +\infty  ).

constanta.

crescatoare pe R.

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Functia f : R  \rightarrow  R,  f(x)=2x23x+1f\left(x\right)=2x^2-3x+1  este:

descrescatoare pe R.

crescatoare pe ( ;34-\infty;\frac{3}{4}  ) si descrescatoare pe ( 34;+\frac{3}{4};+\infty  )

descrescatoare pe ( ;34-\infty;\frac{3}{4}  ) si crescatoare pe ( 34;+\frac{3}{4};+\infty  )

crescatoare pe R.

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Functia f : R  \rightarrow  R,  f(x) = 1x2f\left(x\right)\ =\ 1-x^2   NU este:

impara

concava

impara

continua

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Functia f : R →R, f(x) = 3x - 5, este:

strict descrescatoare

bijectiva

injectiva si nu este surjectiva

surjectiva si nu este injectiva

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dintre diagramele următoare, cea în care este definită o funcție este

Media Image
Media Image
Media Image

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