It would be a lot better if you zoomed in for these since it’s nearly impossible to read.
Yes it is a function
Y=x(x-1)
X(x-1)
X to the 2nd power -1x
Hope that’s helps
The answer shouls be 4.
m is men and f is female, so
fffmmm,
mfffmm,
mmfffm,
mmmfff
Answer:
This was an observational study.
Step-by-step explanation:
Given is that parents of children completed a questionnaire on the child’s light exposure both at present and before the age of 2 years.
This was an observational study since there is no treatment or control group.
We know that treatment, control groups or treatment groups are not specific to randomized control experiments.