For the following exercises, for each pair of functions, find a . ( f ∘ g ) ( x ) and b . ( g ∘ f ) ( x ) Simplify the results. Find the domain of each of the results. 42. f ( x ) = 3 x , g ( x ) = x + 5
For the following exercises, for each pair of functions, find a . ( f ∘ g ) ( x ) and b . ( g ∘ f ) ( x ) Simplify the results. Find the domain of each of the results. 42. f ( x ) = 3 x , g ( x ) = x + 5
For the following exercises, for each pair of functions, find
a
.
(
f
∘
g
)
(
x
)
and
b
.
(
g
∘
f
)
(
x
)
Simplify the results. Find the domain of each of the results.
T2.2 Prove that a sequence s d₁, d₂,..., dn with n ≥ 3 of integers with 1≤d; ≤ n − 1 is the
degree sequence of a connected unicyclic graph (i.e., with exactly one cycle) of order n if and only
if at most n-3 terms of s are 1 and Σ di = 2n.
(i) Prove it by induction along the lines of the inductive proof for trees. There will be a special
case to handle when no d₂ = 1.
(ii) Prove it by making use of the caterpillar construction. You may use the fact that adding an
edge between 2 non-adjacent vertices of a tree creates a unicylic graph.
I need help with this problem and an explanation of the solution for the image described below. (Statistics: Engineering Probabilities)
=
==
T2.1: Prove that the necessary conditions for a degree sequence of a tree are sufficient by showing
that if di 2n-2 there is a caterpillar with these degrees. Start the construction as follows: if
d1, d2,...,d2 and d++1 = d = 1 construct a path v1, v2, ..., vt and add d; - 2 pendent
edges to v, for j = 2,3,..., t₁, d₁ - 1 to v₁ and d₁ - 1 to v₁. Show that this construction results
vj
in a caterpillar with degrees d1, d2, ..., dn
Elementary Statistics: Picturing the World (7th Edition)
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