X -3
1
3
y
10
2
2
10
Function? Yes or No?
Justify your

Yes.

Step-by-step explanation:

The x's are all different, so the set of numbers is indeed a function. Although two y's are the same, it doesn't matter.

Hope this helped you!! Have an amazing day :D

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

step-by-step :