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NikAS [45]
4 years ago
11

Which expression is equivalent to 7-2z-4{z^3- z^3+4z^2+11z+14/z+2]

Mathematics
1 answer:
mr_godi [17]4 years ago
4 0

Answer: c

Step-by-step explanation:

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11) k(n) = n² + 3n; Find k(3n)
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Answer:

k(3n) = 9n² + 9n

General Formulas and Concepts:

Order of Operations: BPEMDAS

  • Substitution and evaluation

Step-by-step explanation:

<u>Step 1: Define</u>

k(n) = n² + 3n

k(3n) is n = 3n

<u>Step 2: Solve</u>

  1. Substitute:                        k(3n) = (3n)² + 3(3n)
  2. Exponents:                       k(3n) = 9n² + 3(3n)
  3. Multiply:                            k(3n) = 9n² + 9n
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Step-by-step explanation:

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