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f (x) = 4x² -4x

Find f (-7)

F X 4x 4x Find F 7 class=

Sagot :

Space

Answer:

f(-7) = 224

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) = 4x² - 4x

f(-7) is x = -7

Step 2: Evaluate

  1. Substitute in x:                    f(-7) = 4(-7)² - 4(-7)
  2. Exponents:                          f(-7) = 4(49) - 4(-7)
  3. Multiply:                               f(-7) = 196 + 28
  4. Add:                                     f(-7) = 224
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