Question

Use the table to answer the question.

The table shows the amount of money (y) in Joaquim’s savings account at the end of each month (x).

Note: The amount of money (y) is rounded to the nearest dollar.

Amounr of Money in Joaquim's Savings Account
x 0 1 2 3 4
y 9000 9270 9548 9835 10,130
What type of function could be used to model the total amount of money in Joaquim’s savings account as a function of time?

(1 point)
Responses

quadratic function
quadratic function

linear function
linear function

exponential growth function
exponential growth function

exponential decay function

Answer 1

Exponential growth function.

Reason: each month the amount increases by about 3% (9000→9270→9548→9835→10130), i.e. a constant multiplicative factor (≈1.03) — not a constant additive increase (so not linear) nor quadratic.