rithmetic and Geometric Sequences: Practice
Question 2 of 5
Select the correct answer.
Charlie and his friends are playing a game. They started round 1 of the game with 27 people. The
number of people in the first five
rounds is shown in the table.
Round
Number of People
1 27
2 25
3 23
4 21
5 19
What is the explicit function that can be used to determine the number of people remaining in the nth round?
Of(n) = -2n + 27
of(n) = -2n + 29
f(n) = 2n + 27
f(n) = 2n + 29
The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =
Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?