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zzz [600]
3 years ago
6

The equation for the line shown in the graph below is y= 2x + b in slope intercept form.

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
3 0

Answer:

-3

The y-intercept is where the line touches the y-axis

On the graph the line touches the y-axis at y=-3

Therefore the y-intercept is y=-3

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Dada la sucesión an = 1700 + 4,1· n2 + 304,9· n
shutvik [7]

Concluimos que la opción correcta es <em>"Solo II"</em>.

Una expresión es una sucesión aritmética si y solo si existe entre dos elementos <em>consecutivos</em> cualesquiera de la serie la misma diferencia. La sucesión aritmética es definida por una expresión de la forma:

a_{n} = a + b\cdot n, n\in \mathbb{N} (1)

Donde a,b son coeficientes de la sucesión.

Asimismo, una expresión es una sucesión geométrica si y solo si entre dos elementos <em>consecutivos</em> cualesquiera de la serie existe la misma razón. La sucesión geométrica es definida por una expresión de la forma:

a_{n} = a\cdot r^{b\cdot n}, n\in \mathbb{N} (2)

Donde a, b, r son coeficientes de la sucesión.

Por último, una expresión es una sucesión monótona creciente si dados dos elementos <em>consecutivos</em> de una serie, el elemento posterior es siempre mayor que el elemento anterior. Matemáticamente, debe satisfacerse la siguiente condición:

\frac{a_{n+1}}{a_{n}} > 1, n\in \mathbb{N} (3)

Esta claro por inspección directa que la sucesión dada no es aritmética ni geométrica y cabe comprobar si es monótona creciente. Valiéndonos de (3), realizamos las operaciones algebraicas pertinentes:

r = \frac{1700 + 4,1\cdot (n+1)^{2}+304,9\cdot (n+1)}{1700 + 4,1\cdot n^{2}+304,9\cdot n}

r = \frac{1700+4,1\cdot (n^{2}+2\cdot n +1) +304,9\cdot (n+1)}{1700 + 4.1\cdot n^{2}+304,9\cdot n}

r = \frac{1700+4,1\cdot n^{2}+304,9\cdot n+4,1\dot (2\cdot n +1) +304.9}{1700+4,1\cdot n^{2}+304,9\cdot n}

r = 1 + \frac{8,2\cdot n +309}{1700 + 4,1\cdot n^{2}+304,9\cdot n}

Como puede apreciarse, r > 1. Por tanto, la sucesión es monótona y creciente.

En consecuencia, concluimos que la opción correcta es <em>"Solo II"</em>.

Invitamos cordialmente a leer esta pregunta sobre sucesiones: brainly.com/question/21709418

4 0
2 years ago
Need help ASAP! due soon!!!
scoundrel [369]

Answer:

C

Step-by-step explanation:

C

7 0
3 years ago
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What is 2.95 expressed as a fraction?<br> 0<br> 0<br> 0<br> 0
lara [203]
The answers is 59/20 because when you calculate it it say 2.95
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3 years ago
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In the given diagram, what are angles 2 and 7 called?
natta225 [31]

Answer:

Vertically opposite angles

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2 years ago
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The circumference of a circle is 18 pi feet. What is the area in terms of pi?
Nastasia [14]

Answer:

I am not sure if this is right but the answer is

The area of a circle with circumference 18π is 254.5

3 0
2 years ago
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