Answer:
I don't understand the question
Step-by-step explanation:
The given sequence is:

a(2)=1
a(3)=3
a(4)=9
We are to find the average rate of change between n=3 and n=4 for the given function.
Average rate of change =

So the average rate of change for the given function from n = 3 to n = 4 is 6
Answer:
I think they are similar by SAS.
Step-by-step explanation:
Both triangles may not be the same size, but they have similar sides and similar angles.
What you should do for this casp is to use the given expression and clear the value of x.
We have then:
y = 1.245x - 3.684
Clearing x:
1.245x = (y + 3.684)
x = (y + 3,684) / (1,245)
Substituting the value of y:
x = ((40) +3,684) / (1,245) = 35.09
x = 35
answer:
the best estimate of the number of songs that Marquis purchased is 35