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Aptitude Test Number Sequences and Functions Questions and Answers Flashcards

6 cards from real IBEW practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Aptitude Test Number Sequences and Functions Questions and Answers flashcards as text

  1. If f(x) = 3x + 5, what is f(7)?

    Answer: 26

    f(7) = 3(7) + 5 = 21 + 5 = 26.

  2. Find the next two terms: 4, 8, 16, 32, ___

    Answer: 64, 128

    Doubling sequence: 4, 8, 16, 32, 64, 128.

  3. If f(x) = x² - 4, find f(5).

    Answer: 21

    f(5) = 5² - 4 = 25 - 4 = 21.

  4. What is the pattern rule for: 1, 3, 7, 15, 31, 63?

    Answer: Multiply by 2 and add 1

    Each term: ×2 + 1. Check: 1×2+1=3, 3×2+1=7, 7×2+1=15, 15×2+1=31, 31×2+1=63. Correct.

  5. If g(x) = 2x² + 3x - 1, what is g(0)?

    Answer: -1

    g(0) = 2(0)² + 3(0) - 1 = 0 + 0 - 1 = -1.

  6. What is the missing number in the sequence: 1, 4, 9, ___, 25, 36?

    Answer: 16

    These are perfect squares: 1², 2², 3², 4², 5², 6². The missing term is 4² = 16.