Question

Please number 13 and 15

Answer 1

13.

y - the amount from the sale

x - a number of tickets

y = 5x + 40

Domain: x ∈ {0, 1, 2, 3, 4, 5}

Range = {40, 45, 50, 55, 60, 65}

15.

y - the cost of renting a law firm

x - a number of hour

y = 100x + 300

Domain: x ∈ {1, 2, 3}

Range = {400, 500, 600}