Graphing Logarithmic Functions

Question 1

What is the domain of the function?all real numbers✔ x > 0x < 0

Revolt · Accepted Answer

✔ x > 0; x > 0; all real numbers

Question 2

What is the range of the function?all real numbersy > 0y < 0

Revolt · Accepted Answer

all real numbers

Question 3

Which function is shown in the graph?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-10-03-20-03-task/mc001-3.jpg

Question 4

What is the inverse of the logarithmic function f(x) = log9x?

Revolt · Accepted Answer

f –1(x) = 9x

Question 5

The sound intensity of rustling leaves is 100 times the reference intensity. Use your graph to determine the sound intensity of rustling leaves in decibels. decibels

Revolt · Accepted Answer

20

Question 6

How can you use a point on the graph of f –1(x) = 9x to determine a point on the graph of f(x) = log9x?Switch the x- and y-coordinates.Use the opposites of the x- and y-coordinates.Use the reciprocals of the x- and y-coordinates.

Revolt · Accepted Answer

Switch the x- and y-coordinates.

Question 7

A whisper has a sound intensity of 30 decibels. Use your graph to help you complete the following statement.The sound intensity of a whisper is times the reference intensity.

Revolt · Accepted Answer

1000

Question 8

Which of these describe your essay subject? Check all that apply.

Revolt · Accepted Answer

My subject is not an American.; My subject is a woman from anywhere in the world but the US, or a man or woman from a non-European country.; My subject had a significant impact on people’s lives.; My subject influenced world history.

Graphing Logarithmic Functions Answers

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