You are at a restaurant and your bill comes to $28.52. You need to add the sales tax which is 6%. You have one $20 bill, two $10 bills, one $5 bill, five $1 bills, and five pennies. How much is your total bill including tax?
How much should you give the server so you do not get back any pennies?
What denominations will you use for this?

first option

a function is a relation in which an input is paired with exactly one output.

so, let's find the right answer.

in our first option, our inputs are january, february, and march. the outputs are 30, 28, and 25. each input has it's own output. this is correct!

our second option we know is incorrect, because ms. valverade has two outputs, dogs and cats. this is not a function.

our third option is incorrect as well. the yellow square has two ouputs, the square and the triangle.

lastly, in our fourth option, we see the number 7 two times with a different output. therefore, this is not a function.

remember: each input must be paired with only one output!

it would be a on edgenuit y

the diagram below is your final answer