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Oliga [24]
3 years ago
6

Given: f(x) = x - 7 and h(x) = 2x + 3

Mathematics
2 answers:
Vinil7 [7]3 years ago
4 0

Answer:

h(f(x)) = 2x - 11


(the second answer is f(h(x)) = 2x - 4)

Step-by-step explanation:

h(x-7) = 2(x-7) + 3

h(x) = 2x -14 + 3

h(x) = 2x - 11

Andrei [34K]3 years ago
3 0

<u>Answer:</u>

The correct answer option is h(f(x)) = 2x - 11

<u>Step-by-step explanation:</u>

We are given two functions:

f(x) = x-7  and  h(x) = 2x+3

and we supposed to find another function which is h(f(x)).

To find h(f(x)), we need to substitute the value of f(x) in the other function i.e. h(x) to get:

h(f(x)) = h(x-7)

h(f(x))= 2(x-7)+3

h(f(x))=2x-14+3

h(f(x)) 2x-11

Therefore, the correct answer is h(f(x)) = 2x - 11.

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Queremos encontrar y resolver una ecuación algebraica para encontrar el <u>número de vecinos de la casa de Rosa.</u>

La solución es: La casa de Rosa tiene 84 vecinos.

<em>La información que se nos da es:</em>

  • 2/7 de el número total de vecinos son rubios.
  • La cuarta parte de estos, es decir: (1/4)*(2/7) del número total, tiene ojos azules.
  • Sabemos que hay 6 vecinos con ojos azules.

Si definimos a N como el número total de vecinos, tendremos que:

(1/4)*(1/7)*N = 6

Ahora solo debemos resolver esto para N, para ello multiplicamos por 4 y por 7 en ambos lados:

4*7*(1/4)*(2/7)*N = 4*7*6

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Ahora dividimos por 2 ambos lados:

2*N/2 = N = 168/2 = 84

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<u />

Sí quieres aprender más, puedes leer:

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