Answer:
£30
Step-by-step explanation:
Jack had 30 pounds, he withdrew 30 more and had 60,he spent 40 and was left with 20.Then he withdrew 30 more and had 50,he spent 40 and was left with 10.Then he withdrew 30 more and had 40,he spent 40 and was left with 0 meaning he had no money
Answer:
Ahh! I know right?
Step-by-step explanation:
So what it's talking about is a "Function box", a method used to by teachers to introduce functions. My teacher introduced it as a "FUN-ction box"
So X in this case is being represented as the input, and y as the output. So, we have to find y when x is 3.
Simple!
Just input 3 for x and you will solve it!

See? Simple.
Hope this helps!
P.S. How's your Apocalypse going?
Given:
Consider the below figure attached with this question.
The value in the given figure are:

To find:
The exponential regression equation for the given values (Rounded to three decimal places).
Solution:
The general form of exponential regression equation is:
...(i)
Where, a is the initial value and b is the growth/decay factor.
The given values are:

Round these numbers to three decimal places.

Putting
in (i) to find the exponential regression equation.

Hence, the correct option is C.