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BigorU [14]
3 years ago
11

last week, Jim worked h hours and earned $9 per hour. if he earned a total of $405, which equation can be used to find out how m

any hours Jim worked.
Mathematics
1 answer:
ad-work [718]3 years ago
8 0
I hope this helps you




if he can earn $9 per hour


$405 ? hours




?=405/9



?=45 hours he worked
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Ayuda por favor nesecito este ejercicio
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La función h(x) es uno a uno en su dominio, por lo tanto es invertible. Y la inversa es:

g(x) = [(x + 3)*4 - 5]/(x + 3 - 1)

<h3>¿Es la función h(x) invertible?</h3>

La función esta definida como:

h(x) = -3 + | (5 - x)/(4 - x) |

El dominio es (4, 5] y el rango es [-3, ∞).

Claramente la función es uno a uno en ese intervalo, como podemos ver en el grafico abajo.

Ahora sabemos que la función es invertible en su dominio, entonces debemos encontrar otra funcion g(x) tal que:

h(g(x)) = x

Entonces debemos tener:

-3 + | (5 - g(x))/(4 - g(x)) | = x

| (5 - g(x))/(4 - g(x)) | = x + 3

Podemos remover el valor absoluto:

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5 - g(x) + g(x)*(x + 3) = (x + 3)*4

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g(x) = [(x + 3)*4 - 5]/(x + 3 - 1)

Esa es la función inversa de h(x).

Sí quieres leer más sobre funciones inversas:

brainly.com/question/14391067

#SPJ1

5 0
1 year ago
What is the simplest form of expression? 2a^2b^2/4a
34kurt
The 2 from the a and the 4 will reduce to 1/2 and the a's from a^2 and 4a will reduce to a/1 so your answer would be (ab^2)/2

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