1.   A can of cat food costs $1 less than a can of dog food. Find the cost of a can of cat food if the dog food costs $2, $3, $4, or $5.
    A. $3, $4, $5, $6 B. $2, $3, $4, $5
    C. $1, $2, $3, $4 D. $4, $5, $6, $7
    Hint

  2.   A can of cat food costs $1 less than a can of dog food. Write the function rule.
    A. Δ B. Δ + 1
    C. Δ − 1 D. Δ + 2
    Hint

  3.   Masa always spends 2 more weeks at summer camp than Kana. Use a function table to find how many weeks Masa spends at summer camp when Kana spends 1, 2, 3, or 4 weeks at camp.
    A. 2, 4, 6, 8 B. 3, 4, 5, 6
    C. 2, 3, 4, 5 D. 1, 2, 3, 4
    Hint

  4.   Masa always spends 2 more weeks at summer camp than Kana. Write the function rule.
    A. 2 − Δ B. Δ − 2
    C. Δ + 2 D. Δ × 2
    Hint

  5.   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. 16, 24, 32, 40 B. 0, 2, 4, 6
    C. 8, 10, 12, 14 D. 8, 12, 16, 20
    Hint