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S_A_V [24]
3 years ago
12

What are the domain and range of the function below?

Mathematics
2 answers:
irina1246 [14]3 years ago
8 0
I think the answer is

domain : (- infinity , infinity )

range : [ -2 , infinity )

i am sorry if my answer was wrong
kompoz [17]3 years ago
3 0

Answer:

C. domain is - infinity, infinity

range is -2, infinity

Step-by-step explanation:

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Solve.
Serhud [2]

Answer:

Step-by-step explanation:

12.9 + 10.2x = 35.1

10.2x = 35.1 - 12.9

10.2x = 22.2

x = 22.2/10.2

x= 222/102 = 111/51

x= 2\dfrac{9}{51}

6 0
3 years ago
Read 2 more answers
Help me! I stink at math.
tatyana61 [14]
The answer would be 1y
7 0
3 years ago
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UNA POBLACION DE CIERTA CIUDAD EN EL AÑO 2000 ERA DE 250,000 HABITANTES CON UNA TASA DE CRECIMIENTO RELATIVO DEL 2% , DETERMINA
Fofino [41]

Answer:

La población que se espera para el 2012, es 317,060

Step-by-step explanation:

Si la población tiene un crecimiento relativo del 2%, entonces cada año, la población es un 2% más grande que el año anterior.

Definamos P(t) = población después de t años

Entonces, si al año t = 0 (que corresponde con el año 2000) la población es A

P(0) = A

Un año después, en t = 1, la población incrementa en un 2%

P(1) = A + (2%/100%)*A = A + (0.02)*A = A*(1.02)

Otro año después, en t = 2, la población incrementa un 2% de vuelta.

P(2) = A*(1.02) + (2%/100%)*A(1.02) = A*(1.02) + 0.02*A*(1.02)

      = A*(1.02)*(1.02) = A*(1.02)^2

Ya podemos notar un patrón, la población en el año t va a ser:

P(t) = A*(1.02)^t

Sabemos que en t = 0 (el año 2000) la población es 250,000

Entonces A = 250,000

P(t) = 250,000*(1.02)^t

Ahora queremos calcular la población en el año 2012

entonces si t = 0 es el 2000

2012 esta representado con t = 12

Reemplazando eso en la ecuación, obtenemos:

P(12) = 250,000*(1.02)^12 = 317,060.4

Como esto es una población tenemos que redondearlo al próximo número entero, como el primer digito después del punto es 4, redondeamos para abajo.

Entonces la población que se espera para el 2012 es: 317,060

5 0
3 years ago
In a songwriting competition, the minimum length of a song is 2.5 minutes. The maximum length of a song is 5.5 minutes. Write an
erik [133]
|4 - x| < 1.5 minutes, where x = length of song <span>
or 
|x - 4| < 1.5 minutes, where x = length of song 

<span>Explanation: 4 minutes is the midpoint between 2.5 and 5.5 and is 1.5 minutes away from both 2.5 and 5.5, so the difference in the length of the song (x) and 4 minutes cannot be greater than 1.5 minutes.</span></span>
4 0
4 years ago
Read 2 more answers
Convert the verbal expression with its equivalent alegbraic expression. Use x for any unknowns. Five more than nine times square
KiRa [710]

Answer:

9x^2+5

Step-by-step explanation:

Let x represent the unknown number.

We are asked to convert the verbal expression with its equivalent algebraic expression..

Five more than a nine times square of a number.

Square of the number would be x^2.

Nine times square of the number would be 9 multiplied by  x^2 as:

9x^2.

Five more than a nine times square of a number would be 9x^2 plus 5 as:

9x^2+5

Therefore, our required expression would be 9x^2+5.

5 0
3 years ago
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