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Harrizon [31]
3 years ago
15

The graph of which function is decreasing over the interval (–4, [infinity])? f(x) = (x 4)2 4 f(x) = –(x 4)2 4 f(x) = (x – 4)2 –

4 f(x) = –(x – 4)2 – 4.
SAT
1 answer:
Vinvika [58]3 years ago
8 0
I need help my self lol XD
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Vika [28.1K]

Answer:

Thanks. Can I have brainliest pls. I am trying to reach a goal. I sent you a friend request.

Explanation:

8 0
3 years ago
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I just took my first sat practice test and scored a 1310, I’ve only been studying for a week, but I still feel a little disappoi
quester [9]
That is a very good score! Don’t be disappointed. It’s okay to retake the SAT if you are not happy with the score. Most colleges take your highest score anyways. Good job!
6 0
3 years ago
Builder products, incorporated, uses the weighted-average method in its process costing system. It manufactures a caulking compo
Alla [95]

The total equivalent units in the weighted-average method used will be 316800 and 304200 respectively.

<h3>What is weighted-average method?</h3>

The weighted-average method simply uses the weighted average to determine the cost of goods sold.

From the complete question, the total equivalent units for material cost will be:

= $300000 + $16800

= $316800

The total equivalent units for conversion will be:

= $300000 + $4200

= $304200

Learn more about weighted-average method on:

brainly.com/question/18554478

6 0
2 years ago
Find the residual values, and use the graphing calculator tool to make a residual plot.
finlep [7]

Answer:

  • No, the points are evenly distributed about the x-axis.

Explanation:

<u>1. Write the table with the data:</u>

  x      given     predicted       residual

  1       - 3.5         - 1.1

  2      - 2.9           2

  3       - 1.1            5.1

  4        2.2           8.2

  5        3.4           1.3

<u>2. Complete the column of residuals</u>

The residual is the observed (given) value - the predicted value.

  • residual = given - predicted.

Thus, the complete table, with the residual values are:

  x      given     predicted       residual

  1       - 3.5         - 1.1                 - 2.4

  2      - 2.9           2                  - 4.9

  3       - 1.1            5.1                - 6.2

  4        2.2           8.2               - 6.0

  5        3.4           1.3                   2.1

<u>3. Residual plot</u>

You must plot the last column:

  x      residual

  1       - 2.4

  2      - 4.9

  3       - 6.2

  4       - 6.0

  5        2.1

See the plot attached.

<em>Does the residual plot show that the line of best fit is appropriate for the data?</em>

Ideally, a residual plot for a line of best fit that is appropiate for the data must not show any pattern; the points should be randomly distributed about the x-axis.

But the points of the plot are not randomly distributed about the x-axis:  there are 4 points below the x-axis and 1 point over the x-axis: there are more negative residuals than positive residuals.  This is a pattern. Also, you could say that they show a curve pattern, which drives to the same conclusion: the residual plot shows that the line of best fit is not appropiate for the data.

Thus, the conclusion should be: No, the points have a pattern.

  • 1. "<em>Yes, the points have no pattern</em>": false, because as shown, the points do have a pattern, which makes the residual plots does not show that the line of best fit is appropiate for the data.

  • 2. "<em>No, the points are evenly distributed about the x-axis</em>": true. As already said the points have a pattern. It is a curved pattern, and this <em>shows the line of best fit is not appropiate for the data.</em>

  • 3. "<em>No, the points are in a linear pattern</em>": false. The points are not in a linear pattern.

  • 4. "<em>Yes, the points are in a curved pattern</em>": false. Because the points are in a curved pattern, the residual plot shows that the line of best fit is not appropiate for the data.

3 0
3 years ago
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Answer:

dujsb eiiwbeio sisayg euskwow

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