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3 years ago

I need help finding domain and range

Mathematics

1 answer:

kow [346]3 years ago

7 0

9514 1404 393

Answer:

domain: [2, 6]
range: [6, 18]

Step-by-step explanation:

The domain is the horizontal extent of the graph. When end points are involved, you have to be able to tell if they are included in the function definition, or not. Here, the solid dots mean both end points are included.

The graph extends horizontally from 2 to 6. You read this from the "x" scale at the bottom. As an inequality, the domain is written ...

2 ≤ x ≤ 6

In interval notation, it is [2, 6]. Square brackets are used to indicate the end point values are included.

The range is the vertical extent of the graph. This one extends from y=6 to y=18. You read this from the "f(x)" scale on the left. The range can be written as ...

6 ≤ y ≤ 18

[6, 18]

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Write each fraction as a unit fraction<br> 12/84<br> 13/143<br> 23/138

alexandr1967 [171]

A unit fraction is a fraction whose numerator is 1.

$\frac{12}{84}=\frac{12 \div 12}{84 \div 12}=\frac{1}{7} \\ \\
\frac{13}{143}=\frac{13 \div 13}{143 \div 13}=\frac{1}{11} \\ \\
\frac{23}{138}=\frac{23 \div 23}{138 \div 23}=\frac{1}{6}$

7 0

3 years ago

What is the length of an arc with a central angle of 43? radians and a radius of 42 cm? use 3.14 for pi. round to the nearest hu

uysha [10]

L=R*angle, but the angle *must* be in radians. So, just translate 43 degrees into radians: 43 * pi / 180, and you'll get:

L = 42 * ( 43 * pi / 180 ) ~ 31.504666, which rounded to the nearest hundredth is 31.50 cm.

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3 years ago

The question is in the picture

GrogVix [38]

Ten-thousand AFAFANDIUAHDIUAHIUDHAIDh (had to write 20 more "letters")

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3 years ago

The salary of two governing bodies in 2008 was $169.3 thousand, and has increased by approximately $4 thousand per year since th

IceJOKER [234]

Answer:

Step-by-step explanation:

Find, find the total increase in salary for 7 years;

If 1 year = $4,000

7 years = ?

=7*4000

=28,000 in total

Original salary = $169,300

Add the total increase in salary to the original salary;

169,300 + 28,000 = 197,300

Therefore, in 7 years, the salary would be $197,300

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3 years ago

What is 321.5 Kilometers per hour converted to MPH

inessss [21]

$321.5\ kmph\approx\boxed{199.770777\ mph}$

By the way, Google has a built in calculator. You can just type in "321.5 kmph in mph" and it will come up with this answer.

You could also use the fact that $1\ km\approx0.621371\ mi$ ,
According to the properties of equality, if you have two equal expressions and you change them in the same way, the results wil also be equal.
So that means we can multiply each side by 321.5 and get our answer above.

6 0

3 years ago