What is f(-4) for the function f(x) =-3x-8

Question

What is f(-4) for the function f(x) =-3x-8

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Calantha 5 months 2021-08-30T09:34:25+00:00 2 Answers 1 views 0

Answers ( )

    0
    2021-08-30T09:35:59+00:00

    Answer:

    the correct answer is:

    -3 × -4 -8 = 12 – 8 = 4

    0
    2021-08-30T09:36:01+00:00

    Answer:

    f(-4) = 4

    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

    Step-by-step explanation:

    Step 1: Define

    f(x) = -3x – 8

    f(-4) is x = -4

    Step 2: Evaluate

    1. Substitute in x:                    f(-4) = -3(-4) – 8
    2. Multiply:                               f(-4) = 12 – 8
    3. Subtract:                              f(-4) = 4

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