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Operaciones con funciones

Authored by Roberto De Obaldia

Mathematics

12th Grade

Used 88+ times

Operaciones con funciones
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Considera las funciones f(x) = x2 + 1 y g(x) = 5x, ¿Cuál es la función f compuesta con g?

5x2 + 5

5x2 + 1

25x2 + 1

25x2 - 1

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sean f(x) = 3x2 - 5x y g(x) = 1/x, ¿Cuál de las siguientes funciones es f[g(x)]?

h(x) = 3/x2 - 5/x

h(x) = x/(3x2 - 5x)

h(x)=1/(3x2 - 5x)

h(x) = (3x2 - 5x)/x

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dado f(x)= 2x; g(x)= x-4

Determina (f+g)(x)

3x-4

2x²-4

-6

x+4

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Dado f(x)= 2x; g(x)= x-4

Determina (f-g)(x)

3x-4

x+4

x-4

3x

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dado f(x)= 2x; g(x)= x-4

Determina (fg)(x)

2x²-8x

2x-8

2x²-8

2x²+8x

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dado f(x)= 2x; g(x)= x-4

Determina (f/g)(x)

1/2

1/2x

(2x)/(x-4)

(x-4)/(2x)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dado f(x)= x³+5x²-6x+1; g(x)= 2x²+10x+12

Determina (f+g)(x)

8x²+4x+13

x³+7x²+4x+13

x³+7x²-4x+13

x³+7x²+16x+13

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