What is the series you are referring too?
Answer:
-4.3
Step-by-step explanation:
The required equation is y=8×(
Step-by-step explanation:
Given,
The two points are (1,2) and (0.5,4)
To find the exponential equation of these given points.
Formula
The general form of exponential equation is y =
where, A and B are any real number.

Now, the points satisfy the equation.
So,
2 =
------- (1) and
4 =
------ (2)
Now (1) ÷ (2) we get,
= 
or,
= 
or, b =
[ by squaring we get]
Now, from (1) we get,
2 = a×
or, a = 8
Hence,
The equation is y=8×(
Substituting -3 for x, we have: (-3)^2-3*-3-7. This simplifies to 9+9-7, or 11.
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