60 Answered Questions for the topic Intervals

03/07/22

What does this question mean? Determine the intervals where f(x) > o and where f(x) < o
What does this question mean? Determine the intervals where f(x) > o and where f(x) < o
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07/28/21

Without graphing, determine the average rate of change for the function f(x)=x^4 on the intervals below:
-1 ≤ x ≤ 1 -2 ≤ x ≤ 2 -10 ≤ x ≤ 10  What can you notice about the answers found for the intervals above? Why did that happen? If possible, graph the function and suggest why this behaviour... more
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03/31/21

SUPER URGENT. Each year, the high school guidance counselors conduct a survey to estimate proportion...
each year, the high school guidance counselors conduct a survey to estimate the proportion of students at the school who cheat on their homework. Based on a random sample of 300 students from the... more
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03/31/21

A health magazine reported that 27% of adult males smoke cigarettes.
A health magazine reported that 27% of adult meals smoke cigarettes. A competing magazine thinks this claim is false. To test this claim, they select 40 adult meals at random and record if they... more
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05/01/20

p and q are complex numbers such that p=2/5x+1, q=x+1, and p+q=3x+2. What interval must x fall?
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08/29/19

How do you find the integral of a linear line?
The equation given is y=1.1x with the domain: [0,13] and range: [0,12.9]
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07/04/19

Are doubly augmented and doubly diminished intervals practical?
In music theory when naming intervals, a lowered diminished interval is a doubly diminished interval (dd) and a raised augmented interval is a doubly augmented interval (AA). One example is a... more
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07/01/19

Is there a simple way to transpose a song from one key to another? What is the methodology?
What is a simple way to accomplish transposing a song from one key to another key?In other words if I am looking at a song written in the key of C and can't sing it in that key and I want to... more
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06/30/19

Find the price elasticity of demand for the demand function at the indicated x-value?
Demand function: p=700-3x Quantity Demanded: x=15(a) Find the price elasticity of demand for the demand function at the indicated x-value.(b) Identify the intervals of elasticity and inelastcity
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06/29/19

Why have I never found any music written in the key of C Sharp Major?
Music is written in almost every key that corresponds to every note that is on my piano keyboard. There is clearly a C Sharp (black key right of C) on my piano keyboard but I don't recall ever... more
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Intervals Music Theory Theory

06/27/19

Etymology of word "Octave"?
How come the etymology of the word octave is related to the number *eight*, when the numbers that you would associate with the meaning of the word are either two – doubling of the frequency – , or... more
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Intervals Music Theory Theory

06/27/19

Confusion in naming intervals?
If I play C E G on the piano, then G acts as a perfect 5th, but if I play G C E and the lowest note (just below the C) is G, can I still call G a perfect 5th of C maj? Because the interval now... more
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06/27/19

Melody And Intervals?
How do composers think about intervals like minor, major,etc to compose melody? Eg I know playing major third will invoke happy mood....that is if we play C and then E creates happier... more
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06/26/19

Is there a formal term for the "WWHW" and "WHWW" ordering of intervals in a perfect 5th?
The reason for my question is that I'm developing a simpler way, using one's fingers instead of the music staff to introduce basic theory to non-musicians. It's called "THE Music Theory" - "THE"... more
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06/24/19

Is there a simple way to transpose a song from one key to another? What is the methodology?
What is a simple way to accomplish transposing a song from one key to another key? In other words if I am looking at a song written in the key of C and can't sing it in that key and I want to... more
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06/21/19

Why have I never found any music written in the key of C Sharp Major?
Music is written in almost every key that corresponds to every note that is on my piano keyboard. There is clearly a C Sharp (black key right of C) on my piano keyboard but I don't recall ever... more
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Intervals Music Theory Theory

06/19/19

How does one measure the interval between two pitches?
What is the procedure for measuring the interval between two pitches? How do I know if something is a fifth, sixth, or something else? Why, for instance, is C to D a second even though we only go... more
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06/13/19

Harmonic/Melodic Minor in Keys?
How does one find the key to a scale like harmonic minor, or is out of key?
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06/10/19

Is interval always related to a scale?
Is music interval always a concept in terms of scales and do we always have to take the first note as tonic? What would be the interval between D note and E note in C major scale?
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06/05/19

Does the bass note in a "slash" chord really have an associated interval?
I have a question about "slash" chords. Look at the chord E/G: <pre> E G♯ B G 1 3 5 ? </pre> G is the minor 3rd interval (♭3) in the key of E. However, I would have thought by... more
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Intervals Music Theory Theory

06/04/19

Statistics about the frequency of different type of intervals?
Do you know if any statistics about the frequency of different type of intervals in music (of a certain period or by a specific composer) exist? For instance, suppose you have this piece of music... more
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05/31/19

Why do notes have multiple names?
I've seen the same note called different names for example the note F# can also be written as Gb. Why is this the case and are there times to use one name over another?
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05/28/19

Perfect fourth is dissonant when there's no note below it?
According to Walter Piston's Harmony book, a perfect fourth is dissonant if there's no tone below its lower tone, while it's consonant if there's a third or a perfect fifth below the interval. In... more
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05/21/19

Are doubly augmented and doubly diminished intervals practical?
In music theory when naming intervals, a lowered diminished interval is a doubly diminished interval (dd) and a raised augmented interval is a doubly augmented interval (AA). One example is a... more
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04/19/19

Term for distinguishing dim/perfect/aug intervals from dim/min/maj/aug ones?
There are two types of intervals, distinguished by their possible qualities: - Unisons, fourths, fifths, and octaves (and their compound variants) may be of perfect or (multiply)... more
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