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Misha Larkins [42]
3 years ago
5

HELP ASAP PLEASE!!!! Describe how f(x)= -2x+3 is different from the parent function f(x)=2x

Mathematics
1 answer:
Harrizon [31]3 years ago
7 0

Answer: The function f(x)= -2x+3 is decreasing while the function f(x)=2x is increasing. The y-intercept for f(x)= -2x+3 is at 3, while the y-intercept for f(x)=2x is at 0.

Step-by-step explanation:

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Halle el valor de "h" del punto centro de la ecuación de la circunferencia cuyo diámetro es el segmento de la recta que une los
cupoosta [38]

Answer:

El punto es (3, 1)

Step-by-step explanation:

Sabemos que la ecuación de un circulo centrado en el punto (a, b), con radio R, se escribe como:

(x - a)^2 + (y - b)^2 = R^2

En este caso, sabemos que el diametro de nuestro circulo es igual al segmento que uno los puntos A(2, 3) y B(4, -1) (y el diametro es el doble del radio)

Entonces el centro del punto es exactamente el punto medio en el segmento dado.

Para encontrar el punto medio en el segmento dado, tenemos que encontrar el punto medio entre los valors en x, y el punto medio entre los valores en y.

Donde el punto medio entre dos valores a y b se calcula como:

punto medio = (a + b)/2  

El punto medio en x es:

x = (2 + 4)/2 = 3

El punto medio en y es:

y = (-1 + 3)/2 = 2/2 = 1

Entonces el punto medio en el segmento es:

C(x, y) = C(3, 1)

Esto quiere decir que el centro de la circunferencia va a ser el punto (3, 1)

8 0
3 years ago
Which statement is false
Feliz [49]

Answer:

b

Step-by-step explanation:

So this statement is false. Example 4: Every integer is a rational number. This is true because every integer can be written as a fraction with a denominator of 1. Example 5: Every natural number is a whole number, integer, and a rational number.

4 0
3 years ago
Consider the quadratic function:
sdas [7]

Answer:

Step-by-step explanation:

I'm not sure how you are finding this in class, but the easiest way by far is to use the expressions for h and k:

h=\frac{-b}{2a}  and

k=c-\frac{b^2}{4a}

(Just a fun fact:  Those expressions come from the quadratic formula that help us to factor a quadratic equation.)

Filling in for h:

h=\frac{-(-8)}{2(1)}  simplifies to

h = \frac{8}{2}=4

Filling in for k:

k=-9-\frac{(-8)^2}{4(1)}  which simplifies a bit to

k=-9-\frac{64}{4}  which simplifies a bit more to

k=-9-16=-25

The vertex, then, is (4, -25).

You would also find this if you completed the square.  But again, I'm not sure how you're solving for the vertex in class.

8 0
3 years ago
Ursula tosses two six-sided number cubes and ADDS the numbers rolled. Which of these is a list of the outcomes of the two row? A
zalisa [80]

Answer:

A) 3, 4, 5, 6, 7, 8

Step-by-step explanation:

2+1, 2+2, 2+3, 2+4, 2+5, 2+6= 3, 4, 5, 6, 7, 8

8 0
3 years ago
A figure is part blue and part red.it is 5/8 red what part of the figure is blue
oksian1 [2.3K]
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8 0
3 years ago
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