Answer:
A) y = is logarithmic function.
Step-by-step explanation:
Given : Options.
To find : which of the following is a logarithmic function.
Solution : We have given option
Logarithmic function : The function which have log init.
We can see from given options
y = is logarithmic function.
Therefore, A) y = is logarithmic function.
Answer:
The sum is 493.4
Step-by-step explanation:
In order to find the value of the sum, you have to apply the geometric series formula, which is:
where i is the starting point, n is the number of terms, a is the first term and r is the common ratio.
The finite geometric series converges to the expression in the right side of the equation. Therefore, you don't need to calculate all the terms. You can use the expression directly.
In this case:
a=40
b= 1.005
n=12 (because the first term is 40 and the last term is 40(1.005)^11 )
Replacing in the formula:
Solving it:
The sum is 493.4
