Answer:
The formula is:
Step-by-step explanation:
The geometric sequences are those in which the division between the terms 
and 
of the sequence are equal to a constant common reason called "r"
The geometrics secencias have the following form:
Where 
is the first term of the sequence
In this sequence we have the following terms
1.2, 3, 7.5, 18.75
Then notice that:
Then:
and 
Finally the formula is:
Take the 4 out to get 4(x^2-12.5)
The derivative of f(g(x)) with respect to x is f'(1/x).
<h3>What are Derivatives?</h3>
The term derivative refers to a type of financial contract whose value is dependent on an underlying asset, group of assets, or benchmark.
Given that, g(x)=ln x
Differentiation of ln x = 1/x
Hence, The derivative of f(g(x)) with respect to x is f'(1/x).
For more references on Derivatives, click;
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So we have the equations:
y - 4x = 2 --- equation 1
5y - 2x = 1 --- equation 2
(equation 2) * 2
10y - 4x = 2 --- equation 3
(equation 2) - (equation 3)
-9y = 0 so y= 0 and thus x = -1/2
Hope that helps!
Answer:
44
Step-by-step explanation:
