Answer:
The rate of change of the function is -5.
Step-by-step explanation:
Given : Function 
To find : What is the average rate of change ?
Solution :
Function
The rate of change is the first derivative.
Derivate w.r.t. x,
Therefore, The rate of change of the function is -5.
Answer:
The semi-annually compounded nominal rate at that time is 7%
Step-by-step explanation:
In order to calculate the semi-annually compounded nominal rate at that time we would have use the following formula:
PV= FV/(1+r)^n
According to the given data we have the following:
PV=$167
FV=$1,000
n=30-year, and strip bond was traded four years after it was issued, hence, n=(30-4)*2 =52
Therefore, 167= $1,000/( 1+r)^52
167/$1,000 =1/(1+r)^52
0.167 =1/(1+r)^52
r =3.50%
Therefore, The semi-annually compounded nominal rate at that time=3.50%*2
The semi-annually compounded nominal rate at that time=7%
The semi-annually compounded nominal rate at that time is 7%
Answer: "B. 
Step-by-step explanation:
The given monomial : 
Degree of this monomial = Sum of powers of variables=2+8+1= 11
Let's check all the options
A 
Degree = 8
B
Degree = 6+5 =11
C 
Degree = 5+3+2=10
D 
Degree =4+2+3+3=12
We can see that only option B has degree 11.
So, the monomial has the same degree as is "B. "
