Práctica 1 - Funciones

Práctica 1 - Funciones

University

10 Qs

quiz-placeholder

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Práctica 1 - Funciones

Práctica 1 - Funciones

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sea ƒ una función que cumple: ƒ(2)=1 y ƒ(-1)=-8. Calcula el valor de ƒ(0)-ƒ(1).

8

12

6

10

14

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Indica la función lineal que cumple: ƒ(1)=3 y ƒ(2)=2ƒ(3).

ƒ(x)=2+x

ƒ(x)=9-x

ƒ(x)=4-x

ƒ(x)=4+x

ƒ(x)=8-x

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Halla el rango de g(x)= -3x + 7, con xϵ ]0, 2[.

]-1, 0[

]1, 7[

]-7, 1[

]0, 1[

]-1, 2[

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calcula el área del triangulo limitado por la parte positiva de los ejes de coordenadas y por la recta y=10-5/2x

10u2

15u2

25u2

40u2

20u2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dada la función lineal ƒ(x) = -3 + bx. Halla ƒ(-2) si la recta que representa a ƒ es paralela a la recta que pasa por los puntos (2, 1) y (6, 3)

-4

4

-2

2

1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Al graficar la función h(x) = -2x2 + 6x - 3, el vértice de la parábola tiene coordenadas (a, b). Calcula a - b

3

-3

-2

1

0

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calcula el rango de ƒ(x) = x2 - 4x + 9, ∀xϵℝ.

[7, +∞[

[5, +∞[

[2, +∞[

[-5, +∞[

[-2, +∞[

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