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Fantom [35]
3 years ago
5

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

Mathematics
1 answer:
Luda [366]3 years ago
6 0

Answer:

3. -7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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

<u>Algebra I</u>

  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 4x + 5

f(-3) is<em> x</em> = -3 for f(x)

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                          f(-3) = 4(-3) + 5
  2. Multiply:                                                                                                             f(-3) = -12 + 5
  3. Add:                                                                                                                   f(-3) = -7
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