Question

Abel wants to purchase a new skateboard. He has already saved $40 and can save another $20 each week.
Which linear function represents the total amount Abel has after w
weeks?

Answer 1

A(w) = 20w + 40

Explanation: 40 is the amount already saved (initial value) and 20 is the dollars saved per week (rate). Domain: w ≥ 0 (usually whole weeks).