Easy question for y’all smart people, i’m just dumb. Question in photo.

Data Set 1 and 3.

Step-by-step explanation:

For a table to be a function, there cannot be multiple x  values of the same number. This means that a function must be one-to-one.

When looking at the data sets, we can eliminate them by using this logic. Data Set 2 contains two y values at y = 6, as well as two x values at x = 1. Therefore, this is not a function.

Data Set 1 is the only table that represents a function because it consists of different  x values without any repeating.

Data Set 3 also contains different x values without repetition. Each x value has a specific y value. This is a function as well.

geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

mean, 40.6

step-by-step explanation: