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3 years ago

A function in whitch each y value had only one corresponding x value is called a?

Mathematics

2 answers:

jek_recluse [69]3 years ago

8 0

Answer: One-to-One function.

Step-by-step explanation:

A One-to-One function (also written as 1-1) is that function for which every element of the Range corresponds to one and only one element of the Domain.

Given a Set A (Domain of a function) and a Set B (Range of the function), if $If\ f(a) = f (b),\ then\ a = b$ and it is a One-to-One function.

Given the graph of a function, you can determine if it is a One-to-One function if it passes the Horizontal Line Test.

The conclusion is: A function in which each y-value has only one corresponding x-value is called a One-to-One function.

Lubov Fominskaja [6]3 years ago

5 0

Answer:

See below.

Step-by-step explanation:

That is a one-to-one function.

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Suppose the speeds of vehicles traveling on a highway are normally distributed and have a known population standard deviation of

ladessa [460]

Answer:

The margin of error for the confidence interval for the population mean with a 98% confidence level is 2.88 miles per hour.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.98}{2} = 0.01$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.01 = 0.99$ , so $z = 2.326$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

Find the margin of error for the confidence interval for the population mean with a 98% confidence level.

$M = 2.326*\frac{7}{\sqrt{32}} = 2.88$

The margin of error for the confidence interval for the population mean with a 98% confidence level is 2.88 miles per hour.

5 0

3 years ago

What is the area of a sector with a central angle of 8 π/11 radians and a radius of 7.2 ft? use 3.14 for π and round your final

coldgirl [10]

Answer:

$59.19 ft^2$

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is equal to

$A=\pi r^{2}$

we have

$r=7.2\ ft$

$\pi =3.14$

substitute

$A=(3.14)(7.2)^{2}$

$A=162.78\ ft^2$

step 2

we know that

The area of a circle subtends a central angle of 2π radians

using proportion

Find out the area of a sector with a central angle of 8 π/11 radians

$\frac{162.78}{2\pi }\frac{ft^2}{rad} =\frac{x}{(8\pi/11)}\frac{ft^2}{rad} \\\\x=162.78(8/11)/2\\\\x=59.19\ ft^2$

7 0

4 years ago

An inscribed angle measures 48°; so, the intercepted arc measures 24°. <br> True <br> False

tigry1 [53]

False

The arc is double the inscribed angle.

Arc = 2*48 = 96

4 0

3 years ago

Read 2 more answers

The mean housing price for an area is $135,000 with a standard of $45,000 but is not normally distributed. According to the Cent

kramer

Answer:

A sample size greater than 30

Step-by-step explanation: The central limit theorem proffers the conditions necessary to obtain a normal or bell shaped distribution. It defines normal distribution in terms of mean, standard deviation and sample size. The sample size is a very important factor in determining the shape of a distribution.

Thus with a population having mean and standard deviation stated, in other to make use of or assume normal distribution, the sample size must be large. According tho the central limit theorem, a size of greater than 30 is deemed to be large enough. As the Same size increases, the sample mean converges to the value of the population mean.

7 0

3 years ago

PLS HELP ME 10PTS

Dvinal [7]

Answer: The volume of the sculpture is 141.84 cubic-feet

Step-by-step explanation: Please see the attachments below

8 0

3 years ago