Chapter 2: Q67E (page 155)
Draw the graph of these functions.
Short Answer
b)
c)
d)
e)
f)
g)
Chapter 2: Q67E (page 155)
Draw the graph of these functions.
b)
c)
d)
e)
f)
g)
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Get started for freea) define , the cardinality of the set S.
b) Give a formula for , where A and B are sets.
a) define the power set of a set S
b) When is the empty set in the power set of a set S?
c) How many elements does the power set of a set S with n elements have?
Prove or disprove each of these statements about the floor and ceiling functions.
a)for all real numbers x.
b)for all real numbers xand y.
c)for all real numbers x.
d)for all positive real numbers x.
e)for all real numbers xand y.
Let and let for all . Show that f(x) is strictly decreasing if and only if the functionrole="math" localid="1668414965156" is strictly increasing.
Question: Let . Find if
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