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2 years ago

What is th range of the function?

Mathematics

1 answer:

andrey2020 [161]2 years ago

3 0

Answer:

Option D. [4,9]

Step-by-step explanation:

we know that

The range of a function is the complete set of all possible resulting values of the dependent variable (output values), after we have substituted the domain (input values)

In this problem we have

The domain of the function (input values or independent variable) is the interval [2,3,4]

The range of the function (output variable or dependent variable) is the interval [4,9]

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The loudest sound, measured in decibels, is calculated using the formula L=10 log, where L is the loudness, and I is the intensi

12345 [234]

The intensity of a fire alarm that measures 125 dB loud is 268,337.29

<h3>Formula and expressions</h3>

Given the expression L=10 logI

where;

L is the loudness
I is the intensity of the sound.

Given the following parameters

L = 125dB

Substitute the given parameters into the following

L=10 logI

125 = 10logI

logI = 125/10

logI = 12.5

I = e^12.5

I = 268,337.29

Hence the intensity of a fire alarm that measures 125 dB loud is 268,337.29

Learn more on subject of formula here: brainly.com/question/657646

7 0

1 year ago

Write the value of 8 in 8091

Andrew [12]

The value of 8 is 8000

8 0

3 years ago

Read 2 more answers

5^n=0.2 need to find value of n

lozanna [386]

Answer:

Below

Step-by-step explanation:

5^n = 0.2

First write the number in exponential form with the base of 5 :

5^n = 5^-1

Because the bases are the same, we can set the exponents as equal :

x = -1

Hope this helps! Best of luck <3

6 0

2 years ago

Write an equation in standard form for a line that passes through (2,2) and (0,-3).

asambeis [7]

So,

The standard form is:
y = mx + b

First, we find "m," the slope. Subtract the y-coordinates from each other. Do likewise with the x-coordinates.

2 - -3 = 5
2 - 0 = 2

Slope = 5/2

$y= \frac{5}{2} x+b$

Now, we can substitute the second solution into this equation for x and y and solve for "b."

$-3= \frac{5}{2} *0+b$

$-3= b$

Now we have our complete equation.

$y= \frac{5}{2} x-3$

8 0

2 years ago

Answer it and show your work. Which letter choice is it.

ivanzaharov [21]

Answer:

b = 55 degrees

Step-by-step explanation:

The angles 30, a, b and 45 must sum up to 180 degrees

Subtracting (30 + 45) from both sides leaves us with a + b = 105 degrees.

But b = a + 5. Substituting a + 5 in the equation above yields

a + a + 5 = 105 degrees, so that

2a = 100 degrees, and a = 50 degrees. Then b = a + 5, or b = 55 degrees.

7 0

3 years ago