Question

F(x) = -12x + 5. Find f(-3).​

Answer 1

Answer:

f(-3) = 41

Step-by-step explanation:

f(-3) = -12(-3) + 5

f(-3) = 36 + 5      A negative times a negative always equals a positive.

f(-3) = 41

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Answer 2

Answer:

f(-3) = 41

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) = -12x + 5

f(-3) is x = -3

Step 2: Evaluate

1. Substitute in x:                    f(-3) = -12(-3) + 5
2. Multiply:                               f(-3) = 36 + 5
3. Add:                                     f(-3) = 41