Question

If f(x) =3x-2,find f(8)-g(-5)

Answer 1

f(3) = 2

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

• |Absolute Value| - makes any negative number positive

Explanation:

Step 1: Define

f(x) = |5x - 17|

f(3) is x = 3

Step 2: Evaluate

1. Substitute in x: f(3) = |5(3) - 17|
2. Multiply: f(3) = |15 - 17|
3. Subtract: f(3) = |-2|
4. Absolute value: f(3) = 2