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Degger [83]
3 years ago
9

F(x) = -4x2 + 6x - 4 Find f(5)

Mathematics
1 answer:
Anni [7]3 years ago
3 0

Answer:

f(5) = -74

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>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = -4x² + 6x - 4

f(5) is x = 5

<u>Step 2: Evaluate</u>

  1. Substitute:                     f(5) = -4(5)² + 6(5) - 4
  2. Exponents:                    f(5) = -4(25) + 6(5) - 4
  3. Multiply:                         f(5) = -100 + 30 - 4
  4. Add:                               f(5) = -70 - 4
  5. Subtract:                        f(5) = -74
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