Question

Jeremy thinks that a person's height is a function of their shoe size. He records people's shoe size and their height and graphs the function. Which makes the most sense as the domain of the function?


A) {...-3, -2.5, -2, -1.5, -1, -.5, 0, .5, 1, 1.5, 2, 2.5, 3, ...}
B){0, .5, 1, 1.5, 2, 2.5, 3, ...}
C) {0.5, 1, 1.5, 2, 2.5, 3, ...}
D) {1, 2, 3, 4, 5, ...}

Answer 1

Not A

Answer 2

Not D

Answer 3

Would it be C?

Answer 4

Jeremy thinks that a person's height is a function of their shoe size.

Do you think Jeremy will use shoe size to predict height. Or, maybe take a shoe size and crank out a corresponding expected height for a person who wears that size shoe?

If so, shoe size if the independent variable and height is the dependent variable. So height would depend upon shoe size and what would be the domain: shoe size or height?

Answer 5

shoe size

Answer 6

So, shoe size is the domain.
Height is the range.

Those options don't look like any shoe sizes I have ever seen. Maybe it is based on a different type of measuring.