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Functions

A function is a machine: one input, one output.

M5 · Mastery
Name: ______________________________ Class: ____________ Date: ____________

Loxivia · Oct 16, 2026 · 8 questions

Warm-up

  1. The function machine — A function is a machine: one input, one output.
  2. Functions — practice 1 — Answer the quick questions.
  3. Functions — practice 2 — Answer the quick questions.
  4. Functions — practice 3 — Answer the quick questions.
  5. Functions — practice 4 — Answer the quick questions.

Practice

  1. 1. f(x) = 6 x + 6. What is f(4)? (Functions)

    a) 24 b) 36 c) 30 d) 16

  2. 2. f(x) = 2 x + 7. What is f(7)? (Functions)

    a) 21 b) 14 c) 23 d) 16

  3. 3. f(x) = 3 x + 1. What is f(6)? (Functions)

    a) 18 b) 22 c) 19 d) 10

  4. 4. 8 is an even number. (Functions)

    a) True b) False

  5. 5. f(x) = 6 x + 7. What is f(6)? (Functions)

    a) 19 b) 49 c) 43 d) 36

  6. 6. What is 5 × 14? (Functions)

    = ______________________

  7. 7. A triangle has four angles. (Functions)

    a) True b) False

  8. 8. The point (2, -3) is in quadrant IV. (Functions)

    a) False b) True

Answer key

1. 30 2. 21 3. 19 4. True 5. 43 6. 70 7. False 8. True

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