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anygoal
13 days ago
9

Which graph represents a function?

Mathematics
2 answers:
Inessa [9K]13 days ago
8 0
The fourth graph is the one since it passes the vertical line test; for the first graph, placing a vertical line shows some repeat values, which is also true for the second and third graphs. However, the fourth graph does not show any repeating values when a vertical line is drawn, indicating that it is a function

zzz [9K]13 days ago
3 0

Answer: The last graph is the right choice. Its image is provided.

Detailed explanation:

We have four distinct graphs to analyze and must identify which one qualifies as a function.

In graphing terms, a function is defined as follows:

FUNCTION: A function on a coordinate plane has the property where each 'x' value links to a single 'y' value

This means one 'x' cannot correspond to two separate 'y' values.

Observations show that

In graph (1), x = 1 corresponds to y = 3 and -2.

In graph (2), x = 2 gives y = 2 and -2.

In graph (3), x = -3 corresponds to y = 2 and -2.

Thus, these three graphs do not represent functions. But, in graph (4), each 'x' uniquely pairs with only one 'y'.

For instance, if x = 1, then y = 0

                       if x = 0, then y = 0, and so forth.

Consequently, graph (4) demonstrates a function. Its image is attached.

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(2 thousands 7 tens) times 10
babunello [8412]

You may either multiply the numbers or the place value, and both methods will yield the same answer.

(2 thousands, 7 tens) multiplied by 10 results in

... (20 thousands, 70 tens)

or

... (2 ten-thousands, 7 hundreds)

8 0
20 days ago
A machine assembly requires two pyramid-shaped parts. One of the pyramids has the dimensions shown in the figure. The other pyra
Zina [9171]
Could you please clarify? I can't perform any calculations without knowing where this figure is and its dimensions - 
8 0
18 days ago
Read 2 more answers
A baseball is thrown up in the air. The table shows the heights y (in feet) of the baseball after x seconds.
lawyer [9240]

Answer:

Alright, we can express the baseball's motion with an equation like:

h(x) = a*x^2 + b*x + c

Here, x denotes time, while h(x) indicates height.

Let’s construct this:

The acceleration is:

a(t) = a

For velocity, integrating over time results in:

v(x) = a*x + v0

Where v0 signifies the initial vertical velocity.

Subsequently, we can determine position or height by integrating once more:

h(x) = a*x^2 + v0*x + h0

Here, h0 is the initial height.

<pthus our="" equation="" is:="">

h(x) = a*x^2 + v0*x + h0.

<pexamining the="" table:="">

When x = 0s, h(0s) = 6ft

<pthus:>

h(0s) = a*0s^2 + v0*0s + h0 = 6ft

            h0 = 6ft.

It’s also noted that:

h(2s) = h(4s)

<pthe symmetry="" of="" the="" quadratic="" function="" implies="" that="" axis="" lies="" between="" and="" located="" at="" x="3s.&lt;/p"><pin a="" standard="" quadratic="" function:="">

a*x^2 + b*x + c

The symmetry line is given by:

x = -b/2a

<pin this="" instance:="">

b = v0

a = a

<ptherefore we="" derive:="">

3s  = -v0/(2*a)

v0 = -3s*(2a)

<phaving gathered="" all="" necessary="" data="" for="" our="" equation="" we="" can="" express="" it="" as:="">

h(x) = a*x^2 - 6s*a*x + 6ft

<pnext focusing="" on="" just="" one="" variable="" we="" know="" that="" at="" x="2s," h=""><pso:>

h(2s) = 22ft = a*(2s)^2 - 6s*a*2s + 6ft

<pthus our="" resulting="" equation="" reads:="">

h(x) = (-2ft/s^2)*x^2 + (12ft/s)*x + 6ft

b) The height after 5 seconds is expressed as:

h(5s) =  (-2ft/s^2)*(5s)^2 + (12ft/s)*5s + 6ft = 16ft

</pthus></p></pso:></pnext></phaving></ptherefore></pin></pin></pthe></pthus:></pexamining></pthus>
7 0
1 month ago
The length if Marshall's rectangular poster is 2 times its width.If the perimeter is 24 inches, what is the area of the poster.
Inessa [9000]
Dimensions of the rectangle are defined as Length=2x
Width=x
The formula for perimeter is given by 2(Length) + 2(Width).

First, we need to determine the dimensions of the rectangle, specifically its length and width.

We can derive this equation:
24=2(2x)+2(x)
4x+2x=24
6x=24
x=24/6
x=4

Consequently, Length becomes 2x, leading to 2(4)=8.

Therefore, the length is 8 inches and the width is 4 inches.

Next, we will calculate the area of the rectangle.
The area can be computed as Length multiplied by Width.

Area=(8 in)(4 in)=32 in²

Conclusion: The area of Marshall's rectangular poster is 32 in².

4 0
1 month ago
Given a regular octagon, in how many ways can we color one diagonal red and another diagonal blue so that the two colored diagon
zzz [9080]

Answer:

Rotation = 1.

Reflection = 5 or 4.

Step-by-step explanation:

A regular octagon is defined as an octagon with eight equal sides.

To appropriately color one diagonal red and the other blue, ensuring they intersect (inside), we can follow these steps:

=> First, color one diagonal red.

=> Fix the position of another end.

=> Identify the possibilities.

The outcome can be derived from Burnside's Lemma resulting in Rotation = 1 and Reflection = 5 or 4.

7 0
11 days ago
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