Respuesta :
Answer:
21x - 42, see below :)
Step-by-step explanation:
Hello!
We know that f(x) is equal to 3x - 6
We want to know what 7 * f(x) is so we should first substitute f(x) for 3x - 6
7 * f(x)
7(3x-6)
We use distributive property to open the parenthesis:
7 * 3x + 7 * -6
21x - 42
Answer:
21x - 42
General Formulas and Concepts:
Pre-Algebra
- Distributive Property
Algebra I
- Function Notation
Step-by-step explanation:
Step 1: Define
f(x) = 3x - 6
7f(x)
Step 2: Find
- Substitute: 7f(x) = 7(3x - 6)
- Distribute 7: 7f(x) = 21x - 42