Answer:
4x^2 +2x +16
Step-by-step explanation:
7x2 + 4x + 10) - (3x2 + 2x - 6)
Distribute the minus sign
7x2 + 4x + 10) - 3x2 - 2x + 6
Combine like terms
7x2 + 4x + 10)
- 3x2 - 2x + 6
-------------------------
4x^2 +2x +16
Answer:
The explicit function is:

where

and we calculate S12:

Step-by-step explanation:
Expanding a few steps of the compound interest:

We can write:

for deposits
Then, expanding the previous equations would yield:

This is a geometric series form, which can be simplified to:

plugin in the values for the 12 month gives:

If you had 60 pounds of candy it would be$36.66