1.   Clark is 2 years younger than his sister. Use the function table to find Clark’s age when his sister is 4, 5, 6, and 7.

Rule: Δ − 2
Input (Δ) Output ()
4 
5 
6 
7 

    A. 5, 6, 7, 8 B. 3, 4, 5, 6
    C. 2, 3, 4, 5 D. 6, 8, 10, 12
    Hint

  2.   Arnold’s shoe size is always 2 sizes larger than Mike’s. Use the function table to find Arnold's shoe size when Mike's is 3, 4, 5, and 6.

.
Rule: Δ + 2
Input (Δ) Output ()
3 
4 
5 
6 

    A. 1, 2, 3, 4 B. 5, 6, 7, 8
    C. 0, 1, 2, 3 D. 6, 7, 8, 9
    Hint

  3.   Alex's mother drives 10 more miles to work than his father does. Use the function table to find how many miles Alex's mother drives than his father drives for 3, 6, 9, and 12 miles.

Rule: Δ + 10
Input (Δ) Output ()
3 
4 
5 
6 

    A. 13, 14, 15, 16 B. 2, 1, 4, 7
    C. 7, 4, 1, 2 D. 13, 16, 19, 22
    Hint

  4.   Since they began playing baseball, Shane always hits 4 fewer homeruns each season than Lyle. Use a function table to find how many homeruns Shane hits in a season when Lyle hits 4, 6, 8, or 10 homeruns.
    A. 8, 12, 16, 20 B. 16, 24, 32, 40
    C. 8, 10, 12, 14 D. 0, 2, 4, 6
    Hint

  5.   Since they began playing baseball, Shane always hits 4 fewer homeruns each season than Lyle. Write the function rule.
    A. Δ + 4 B. Δ − 4
    C. Δ × 4 D. Δ
    Hint