Question

A ________ is the magnitude of auditory sensation produce by sound.
a) Pitch
b) Loudness
c) Frequency
d) Shrillness ​

Answer 1

Answer:

d

Explanation:

A = {x: x is an integer, 1 < x <4}

a) Write A in roster form.

b) Write p(A).

c) Number of proper subsets o A

d)Find A×A

e)Write the number of possible relation from A to A