NEED ANSWER ASAP PLEASE! Which quantity is the input and which is thw output? How do you know?

What graph represents an even function

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?

Mr. alison drives in city traffic to the gas station. he also shops for bread and milk at the gas station. after filling up his car, he drives home on the highway