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ycow [4]
2 years ago
5

Khanacademy Units: Sequences What does f(3) equal?

Mathematics
1 answer:
Oduvanchick [21]2 years ago
5 0

Answer:

f(3) = 100

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>

<em />\displaystyle \left \{ {{f(1) = 4} \atop {{f(2) = 25} \atop {f(n) = f(n - 2) \cdot f(n - 1)}} \right.<em />

<em />

<u>Step 2: Evaluate</u>

  1. Substitute in <em>n</em> [Function f(n)]:                                                                            f(3) = f(3 - 2) · f(3 - 1)
  2. Simplify:                                                                                                            f(3) = f(1) · f(2)
  3. Substitute in function values:                                                                            f(3) = 4 · 25
  4. Multiply:                                                                                                              f(3) = 100
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