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3 years ago

Which of the following could be the graph of a function? Check all that apply

Mathematics

2 answers:

sergij07 [2.7K]3 years ago

3 0

A. line
a parabola is a quadratic function and the line that splits the parabola is called the axis of symmetry.

baherus [9]3 years ago

3 0

Answer:

Both A. A Line and E. A Parabola

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Both A. A Line and E. A Parabola can be a graph of a function. Each is a representation of a different type of function.

A Line is a representation of a linear function. An example of a linear function would be the following,

$f(x) = 2x + 1$

A Parabola is usually a representation of a quadratic function or a function with the variable raised to an even exponent. Which usually means each y-value has 2 x-values. An example of a function that graphs into a parabola is the following,

$f(x) = x^{2} +2$

Both of these functions are attached below with their respective graphs

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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September 6 is a Read Book Day.Polina read 5 times as many pages as Marcus read.Together,the read 108 pages.How many pages did e

Gemiola [76]

Answer:

The number of pages that Polina read was 90 and the number of pages that Marcus read was 18

Step-by-step explanation:

Let

x -----> number of pages that Polina read

y ----> number of pages that Marcus read

we know that

x+y=108 ----> equation A

x=5y -----> equation B

substitute equation B in equation A and solve for y

$5y+y=108\\6y=108\\y=18$

Find the value of x

$x=5y -----> x=5(18)=90$

therefore

The number of pages that Polina read was 90 and the number of pages that Marcus read was 18

3 0

3 years ago

A 2012 Gallup poll surveyed Americans about their employment status and whether or not they have diabetes. The survey results in

posledela

A) See picture for the table.

To make the table, multiply 47774 by 1.5% to get total that have diabetes and multiply 5855 by 2.5% to get total unemployed that have it, then using subtraction fill in the other squares of the table.

Hypothesis:

H0: No association between employment and diabetes.

H1: Association between the two

Using a graphing calculator or Excel, run a chi-test.

Chi squared equals 31.844 with 1 degrees of freedom.

The two-tailed P value is less than 0.0001

With this information we can reject the null hypothesis and conclude there is an association between diabetes and employment.

Although there is a statistical significance, there really is no practical significance between an incidence rate of 1.5 or 2.5%

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3 years ago

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Ber [7]

The answer is 50 degrees

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3 years ago

On the school picnic, 4 and 3/4 dozen hamburger rolls 5 and

guajiro [1.7K]

9 3/4dozens were used

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3 years ago

Read 2 more answers

In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0

uysha [10]

Answer:

a) A response of 8.9 represents the 92nd percentile.

b) A response of 6.6 represents the 62nd percentile.

c) A response of 4.4 represents the first quartile.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 5.9

Standard Deviation, σ = 2.2

We assume that the distribution of response is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

a) We have to find the value of x such that the probability is 0.92

P(X < x)

$P( X < x) = P( z < \displaystyle\frac{x - 5.9}{2.2})=0.92$

Calculation the value from standard normal z table, we have,

$P(z$

$\displaystyle\frac{x - 5.9}{2.2} = 1.405\\x = 8.991 \approx 8.9$

A response of 8.9 represents the 92nd percentile.

b) We have to find the value of x such that the probability is 0.62

P(X < x)

$P( X < x) = P( z < \displaystyle\frac{x - 5.9}{2.2})=0.62$

Calculation the value from standard normal z table, we have,

$P(z$

$\displaystyle\frac{x - 5.9}{2.2} = 0.305\\x = 6.571 \approx 6.6$

A response of 6.6 represents the 62nd percentile.

c) We have to find the value of x such that the probability is 0.25

P(X < x)

$P( X < x) = P( z < \displaystyle\frac{x - 5.9}{2.2})=0.25$

Calculation the value from standard normal z table, we have,

$P(z$

$\displaystyle\frac{x - 5.9}{2.2} = -0.674\\x = 4.4172 \approx 4.4$

A response of 4.4 represents the first quartile.

4 0

4 years ago