Can somebody verify this for me? 5f + 3n + 2

use f = -4 and n=-7

answer is -43

is this correct? yes or no?

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Use sigma notation to represent the following series for 9 terms.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?