1. The C major key, starting with the middle C, consists of seven notes (white keys on the piano) with the following frequencies
. Note; C D E F G A B
Frequency;(Hz) 261.6 / 293.7 / 329.6 / 349.2 / 392.0 / 440.0 / 493.9
Determine the ratio of the note A to middle C.
a. 1.6818
b. 1.4983
c. 1.5348
d. 1.3654
2.The C major key, starting with the middle C , consists of seven notes (white keys on the piano) with the following frequencies.
Note: C D E F G A B
Frequency(Hz): 261.6 / 293.7 / 329.6 / 349.2 / 392.0 / 440.0 / 493.9
Determine the ratio of the note D to middle C.
a. 1.1227
b. 1.4566
c. 1.234
d. 1.3454
3. When an octave is divided into twelve equal steps, a chromatic scale results. The ratios between sucessive notes is constant.
c- 261.6 c#-277.2 d- 293.6 d#- ? e-329.6 f- 249.2 f#-370.0 g-392.0 g#- ? a-440 a#-466.1 b- 493.8 c-523.2
Determine the missing frequency for D# using the ratio 1.0595. Round to the nearest tenth.
a. 311.0
b. 415.3
c. 311.1
d. 625.2
4. A chord consists of notes that sound good together. The C major chord, starting at middle C, has the following frequencies:
C - 262 Hz
E - 330 Hz
G - 392 Hz
Determine the ratio of the frequency of G to C. Express the answer in a simple integer ratio. (Due to rounding the ratio will be approximate.)
a. 5 to 4
b. 3 to 2
c. 6 to 5
d. 9 to 8
5. A chord consists of notes that sound good together. The C major chord, starting at middle C, has the following frequencies:
C - 262 Hz
E - 330 Hz
G - 392 Hz
Determine the ratio of the frequency of E to C. Express the answer in a simple integer ratio. (Due to rounding the ratio will be approximate.)
a. 5 to 4
b. 3 to 2
c. 6 to 5
d. 9 to 8
6.Which component in a musical note is referred to as the pitch of a sound?
a. wavelength
b. frequency
c. time
d. distance
PLEASE HELP!!
Since the tangent line T and the curve y must coincide at x=-4
y(-4) = T(-4) = 5
On the other hand, the derivative of the curve evaluated at -4 y'(x=-4) must be the slope of the tangent line. Which inspecting the tangent line T(x) is -7
