First place can be any one of the 3 competitors. For each of those . . .
Second place can be either one of the 2 remaining. For each of those . . .
Third place is the 1 remaining runner.
Total number of possibilities = (3 x 2 x 1) = <em>6</em> .
Here are all the possible ways they can finish:
1). A B C
2). A C B
3). B A C
4). B C A
5). C A B
6). C B A
Answer:
f(9) = 24
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
f(x) = 4(x - 3)
f(9) is x = 9
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: f(9) = 4(9 - 3)
- Subtract: f(9) = 4(6)
- Multiply: f(9) = 24