2 years ago

If f(x) = 4x + 5, what is the value of f(-3)?

Mathematics

1 answer:

Luda [366]2 years ago

6 0

Answer:

3. -7

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Functions
Function Notation

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 4x + 5

f(-3) is x = -3 for f(x)

Step 2: Evaluate

Substitute in x [Function f(x)]: f(-3) = 4(-3) + 5
Multiply: f(-3) = -12 + 5
Add: f(-3) = -7

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