This ..helppp .

1. Not a function: The x value is repeated.

2.

3. Yes, passes vertical line test.

4. Yes, y values can be repeated.

-8

step-by-step explanation:

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of