Answer:
Coordinates:
(-1, -2), (-1, -4), (-3, -2), (-3, -4)
9-(.5)^(4)/48
= 9-0.0013020833
=8.9986
There can be an infinite amount of these
g(x) = 2/x ^ 2
f(x) = x + 9
but you can recheck this by substituting the g(x) back into the f(x)
Using the context surrounding the word trough in line 9 of "Concrete Mixers," explain what a trough looks like and what it does on a concrete mixer. .
sorry I can't delete it this not answer your question
Answer:
S(1) = 1
S(n) = S(n-1) + n
Where S(n) is the sum from 1 till n
And,
S(n-1) is the sum from 1 till n-1
