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lana [24]
3 years ago
8

For f(x) = x +6 and g(x) = 2x + 1, find the following.

Mathematics
1 answer:
GREYUIT [131]3 years ago
3 0

Answer:

f(g(x)) = 2x + 7; g(f(x)) = 2x+13; f(g(4)) = 15

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complete the concept map by naming the sampling that you have learned in this module then briefly discuss each
Dmitry [639]

In systematic sampling, individuals are selected at regular intervals from the sampling frame.

<h3>How to explain the sampling?</h3>

Stratified sampling- In this method, the population is first divided into subgroups (or strata) who all share a similar characteristic

<u>Clustered sampling.</u>- a clustered sample, subgroups of the population are used as the sampling unit, rather than individuals. The population is divided into subgroups, known as clusters, which are randomly selected to be included in the study

<u>Simple random sampling. </u>-In this case each individual is chosen entirely by chance and each member of the population has an equal chance, or probability, of being selected.

Quota sampling--This method of sampling is often used by market researchers. Interviewers are given a quota of subjects of a specified type to attempt to recruit.

Learn more about sampling on:

brainly.com/question/17831271

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6 0
2 years ago
How do you tell if a equation is linear or non linear
NARA [144]
Linear means in a straight line, non linear n o line
7 0
3 years ago
PLS help meee ill give brainiest!!!!
Ede4ka [16]

Answer:

13/4

Step-by-step explanation:

If the f(x) factors into something the same as g(x), then you can cancel:

 

f(x) = 2x2  - 2x + 1 does not factor; therefor

 

( f / g) (x) = (2x2 -2x +1) / ( x + 1 )

 

that is all you can do to it

 

If you were asked to evaluate (f/g)(x) for some x, say x = 3 Then:

 

(f/g)(3) = ( 2(32)  - 2(3) + 1) / (3 + 1)

 

          = (18 - 6 + 1 ) / 4

 

          = 13/4

Please brainliest!

4 0
2 years ago
What is the sum of the exterior angles, one at each vertex, of a polygon with 20 sides?A.20B.360C.180D. We need more information
ale4655 [162]

The measure of an exterior angle in a polygon with n sides is given by:

a_n=\frac{360}{n}

So, for n = 20, we have the measure of the exterior angles of the polygon with 20 sides:

\begin{gathered} a_{20}=\frac{360}{20} \\ a_{20}=18\degree \end{gathered}

Now, to find the sum of all exterior angles, let's multiply the exterior angles by the number of sides of the polygon:

\begin{gathered} S_{20}=a_{20}\cdot n \\ S_{20}=18\cdot20 \\ S_{20}=360\degree \end{gathered}

Therefore the sum is equal to 360°, correct option: B.

(The sum of exterior angles of a polygon with n sides is always equal to 360°)

7 0
1 year ago
The graph below models the value of a $20,000 car t years after it was purchased.
ICE Princess25 [194]

Answer:

Each time, t, is associated with exactly one car value, y.

5 0
3 years ago
Read 2 more answers
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