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Suma, resta y multiplicación de funciones

Quiz by Karla Paola Robles Gámez

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8 questions

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Q1
300s
Q2
300s
Q3
Si m(x) = 3x³ - 4x + 5 y n(x) = 2x³ + x² - x - 3, ¿cuál es la suma de m(x) + n(x)?
$5x^3+x^2-5x+2$
$3x^3+2x^2-4x-1$
$5x^3-3x^2-3x+2$
$x^3+x^2-5x+8$
300s
Q4
Si $f(x) = 3x^2 + 2x - 5$ y $g(x) = x^2 - 4x + 3$, ¿cuál es la expresión de $f(x) - g(x)$?
$2x^2 - 6x + 8$
$2x^2 + 6x - 8$
$4x^2 - 2x + 2$
$x^2 + 6x - 2$
300s
Q5
Si f(x) = x² + 3x y g(x) = 2x - 1, ¿cuál es el resultado de (f - g)(x)?
3x² + 2x - 1
x² + 5x + 1
x² + x + 1
x² - x - 1
300s
Q6
Si m(x) = (x + 2) y n(x) = (x - 3), determina (m ‧ n)(x)
(m ‧ n)(x) = x² - x - 6
(m ‧ n)(x) = x² - 5x + 6
(m ‧ n)(x) = 2x² - x - 3
(m ‧ n)(x) = x² + 5x - 6
300s
Q7
¿Cuál es el resultado de multiplicar las funciones f(x) = (2x + 3) por g(x) = (x - 5)?
(f ‧ g)(x) = 2x² - 7x - 15
(f ‧ g)(x) = 2x² + 10x - 15
(f ‧ g)(x) = 2x² - 10x + 15
(f ‧ g)(x) = 2x² + 7x - 15
300s
Q8
¿Cuál es el resultado de multiplicar las funciones $f(x) = x - 4$ y $g(x) = x^2 + 2x + 3$?
$x^3 + 2x^2 - x - 12$
$x^3 - x^2 + 3x - 12$
$x^2 - 2x + 12$
$x^3 - 2x^2 - 5x - 12$
300s

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