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Leto [7]
3 years ago
10

PLEASE HELP WITH PRE CALC

Mathematics
1 answer:
Oksanka [162]3 years ago
5 0

Answer:

-3/2

Step-by-step explanation:

The average rate of change is synonymous to the slope.

So, to find the average rate of change from the interval x=-2 to x=2, first find the y-values at x=-2 and x=2.

At x=-2, we can see that y is 4. Thus, we have (-2,4).

At x=2, we can see that y is -2. Thus, we have (2,-2).

Now, use the slope formula. The formula for slope is:

m=\frac{y_2-y_1}{x_2-x_1}

Let (-2,4) be x₁ and y₁ and let (2,-2) be x₂ and y₂. Therefore:

m=\frac{-2-4}{2--2}

Simplify:

m=\frac{-6}{4}

Reduce:

m=-3/2

So, our average rate of change from the interval x=-2 to x=2 is -3/2.

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Which ordered pairs lie on the graph of the exponential function f (x) = 3(0.2)^x
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The ordered pairs which lie on the graph of the exponential function, f(x) = 3(0.2)^x is; Choice A; (0, 3).

<h3>Ordered pair Solution;</h3>

The given exponential function is;

  • f (x) = 3(0.2)^x

By testing all values; Only the pair; (0, 3) is a solution to the graph of the exponential given.

By testing;

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Read more on ordered pairs;

brainly.com/question/5754926

4 0
2 years ago
Solve for m. y=7m+6<br>solve for b. A=6b
ryzh [129]

y=7m+6

subtract 6 from each side

y-6 = 7m

divide by 7

(y-6)/7 =m


A = 6b

divide by 6

A/6 = b

8 0
4 years ago
Read 2 more answers
Please help, I am so confused ( please list in the correct order as well)
andreyandreev [35.5K]

Answer:

( 5, 7),  ( 5, 7), Yes M is the center

Step-by-step explanation:

It could help you under stand this by drawing it out on paper.  I can't draw it here.  You just need to visualize a circle with points A and B on the outside portion of the circle.  Then there is point M inside the circle.  You are trying to figure out if M is in the center or not.

Look at the coordinates for all 3 and find the distance from A to M and then B to M.  Count the total distance of the x values and the y values keeping in mind that positive Y numbers are above the x axis and negatives are below.  And, negative numbers for X are to the left of the y axis and positive is to the right.

From A ( -1, -9) to M ( -6, -2).  Look at the x values.  You are going from -1 to -6 which is a total of 5 points.  Now look at y values.  You are going from -9 to -2 which is a total of 7 points.  So the distance in coordinates is ( 5, 7)

From B ( - 11, 5) to M ( -6, -2).  Again look at x values. You're going from -11 to -6 which is 5 points.  Looking at the y values, you are going from 5 to -2.  This is 5 above the x axis going down to a -2 which is below the x axis.  So the total is 7 points.  The distance of these two is also ( 5, 7 ) which is the same as the other distance.

Therefore, you can state correctly that M is the center of the circle.

7 0
3 years ago
A gym initially has 5000 members. Each year, the gym loses 10% of its current members and gains 100 new members. Which recursive
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Answer:

An = A0 + 100 * n - (An-1) * 0.10

Step-by-step explanation:

Tenemos una regla recursiva para una secuencia es una fórmula que nos dice cómo avanzar de un término a otro en una secuencia. Por lo tanto debemos buscar a An.

Hay un valor inicial que es 5000, una ganancia y una perdida de clientes, que podemos representar así:

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reemplazando:

An = A0 + 100 * n - (An-1) * 0.10

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Answer:

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