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Svetradugi [14.3K]
3 years ago
7

What is the range of the function f (x)=3.2x for the domain (-4, -2, 0, 2, 4)?

Mathematics
2 answers:
Aneli [31]3 years ago
7 0
So we don't have to multiply each domain, we just need to find the lowest and highest domain and put it into the equation (since we're just multiplying)
-4 and 4 are the lowest and highest.
3.2×-4=-12.8; this means that when 4 is put into the equation, it will be 12.8 since they're opposites.
So, the range is -12.8 to 12.8.
exis [7]3 years ago
6 0

Answer: Hello there!

The function is f(x) = 3.2*x and we want to know the range of this function for the domain (-4, -2, 0 , 2, 4)

First we need to evaluate f(x) in the points of the domain, and this give us the pairs:

(-4, 3.2*-4) = (-4, -12.8)

(-2, 3.2*-2) = (2, -6.4)

(0, 3.0) = (0,0)

(2, 3.2*2) = (2, 6.4)

(4, 3.2*4) = (4, 12.8)

The range is the codomain or image of the function, then the range of f(x) for the given domain is:

(-12.8, -6.4, 0, 6.4, 12.8)

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What is the median number for the numbers 4,8,10,5,9?
kumpel [21]
The median for a set of numbers would be the one that appears closest to the middle of the set.

For the set 4, 8, 10, 5, 9, in order to find the median, we must first sort them numerically.

4, 5, 8, 9, 10

Now, which of these 5 numbers is the closest to the middle?
The answer to that would be 8, since it is actually the number in the middle.

The median number for the numbers 4, 8, 10, 5, 9 is 8.
Hope that helped =)
5 0
4 years ago
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Need these Questions answered ASAP!!!!
never [62]
The vertical change is +1
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6 0
3 years ago
What is the product of 1010 and 9\sqrt{72} ​ in simplest radical form?
Bas_tet [7]

Answer:

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Square Root of 72 in Simplest Radical Form

Simplest Radical Form

Here we answer "What is the square root of 72 (√72) in simplest radical form?" The square root of 72 in its simplest form means to get the number 72 inside the radical √ as low as possible.

Here is how to do that! First we write the square root of 72 like this:

√72

The largest perfect square of the factors of 72 is 36. We can therefore convert √72 like this:

√36 × 2

Next, we separate the numbers inside the √ as such:

√36 × √2

√36 is a perfect square that equals 6. We can therefore put 6 outside the radical and get the final answer to square root of 72 in simplest radical form as follows:

6√2

3 0
3 years ago
Tom works for a manufacturing plant and makes $7.00 per hour. Last week he worked 49 hours. For the hours above 40, he receives
Vlad [161]
(7.0×40)+[(7.0×1.5) × 9]=
490+[10.50×9]=
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3 0
4 years ago
1.
Margarita [4]

Answer:

The ball throw into the air with an initial velocity of 22 meters per second is 27.4 meters above the ground after 3 seconds.

Step-by-step explanation:

The quadratic function h(t) = -4.9t^2 + 22t + 5.5 represents the height of the ball above the ground, h(t), in meters, with respect to time, t, in seconds.

To find h(3), substitute t = 3 into the function expression:

h(3)=-4.9\cdot 3^2+22\cdot 3+5.5\\ \\=-4.9\cdot 9+66+5.5\\ \\=-44.1+71.5\\ \\=27.4

Meaning: the ball throw into the air with an initial velocity of 22 meters per second is 27.4 meters above the ground after 3 seconds.

5 0
4 years ago
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