Answer: f(n) + g(n) = -2n^3 + 3n^2 - 2n - 4
Explanation:
f(n) + g(n) = (-2n^3 + 3n^2) + (-2n - 4)
f(n) + g(n) = -2n^3 + 3n^2 - 2n - 4
Problem 1: Evaluate<span> the summation of 3 times negative 2 to the n minus 1 power, ... The one I just posted looks like this: \sum_{</span>n=1}^{12<span>} </span>2n+5<span>.</span>
If ur asking if it's correct, it is.
Answer:
the answer is B
Step-by-step explanation:
D . A cube that is 1 inch long , 1inch wide and 1 inch high .

Answer
its a cube whose side is 1 unit long .
And total surface area should be 6 square units .
as we can see