Randy exercises by running 7 miles in 4 hours, and does this everyday. His friend Rodney runs 4 miles in 8 hours everyday. Which of the two runners, runs more miles over the course of a week and how many does each person runover the week? Randy miles ran over he week: Rodney miles ran over the week: Who ran more miles?

Rodney ran more

Step-by-step explanation:

Rodney ran 32 miles a week

Randy only ran 24 miles a week

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!