Harper deposited a fixed amount into her bank account each month. The…

|Question 10Math

Question

Prompt

Harper deposited a fixed amount into her bank account each month. The function

f (t) = 400 + 30 t

gives the amount, in dollars, in Harper's bank account after

t

monthly deposits. What is the best interpretation of

30

in this context?

With each monthly deposit, the amount in Harper's bank account increased by

$30

Before Harper made any monthly deposits, the amount in her bank account was

$30

After 1 monthly deposit, the amount in Harper's bank account was

$30

Harper made a total of 30 monthly deposits.