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F(x) = 4/5x - 2 Find f(3) [?
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3 votes
F(x) = 4/5x - 2
Find f(3)
[?

User Raja Yogan
by
3.8k points

2 Answers

5 votes

Answer: 2/5

Explanation:

We need to replace x with 3

f(x)= 4/5*(3)-2= (12/5)-2=(12-10)/5= 2/5

User Joergl
by
4.1k points
4 votes

Answer:

f(3) = 2/5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Function Notation

Explanation:

Step 1: Define

f(x) = 4/5x - 2

f(3) is x = 3

Step 2: Evaluate

  1. Substitute: f(3) = 4/5(3) - 2
  2. Multiply: f(3) = 12/5 - 2
  3. Subtract: f(3) = 2/5
User Mizhgun
by
4.7k points
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