Answer:
;
,
.
Step-by-step explanation:
The resultant function is obtained by multiplying
by a real number
. That is:

If
and
, then
is:


Given that presence of the expression
, then:
and 
The value of a is obtained by applying the definition of logarithms:


Finally, the value of k is found by direct comparison:

Answer:
Option d
Step-by-step explanation:
Given that television networks frequently run public opinion polls on issues of concern. One network conducted a scientific poll asking a question concerning the approval rating of the way President Obama was handling the Iraq War. At about the same time a second network ran an online poll using a very similar question.
Observed data is
Poll Scien Online total
approve 339 385 724
disapprove 780 573 1363
1119 958 2087

(Two tailed chi square test)
Let us find out expected and chi square
Expected = row total x column total/grand total
The cell count expected in the online poll for those who approve
=
chi square = 7.81
Hence option d is right.
Answer:
C
Step-by-step explanation:
D≈2π(6371-1737.5)
d≈9267π
d≈29113.1km (to nearest tenth of a kilometer)
C. 7 hours because to find the hourly pay do 21 divided by 3 which is equal to 7