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saw5 [17]
3 years ago
11

Khanacademy Unit:Sequences What does g(2)=?

Mathematics
1 answer:
Svetllana [295]3 years ago
3 0

Answer:

g(2) = -42

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

<u>Algebra II</u>

  • Sequences

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

<em />\displaystyle  \left \{ {{g(1) = 50} \atop {g(n) = 8 - g(n - 1)}} \right.<em />

<em />

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function g(n)]:                                                                         g(2) = 8 - g(2 - 1)
  2. (Parenthesis) Subtract:                                                                                     g(2) = 8 - g(1)
  3. Substitute in function value:                                                                             g(2) = 8 - 50
  4. Subtract:                                                                                                            g(2) = -42
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