Answer:
I honestly don't know sry
Step-by-step explanation:
Answer:
y=x-1
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
We can plug in the numbers (15, 23, 25, 38, 53) into the equation for x, and see if we get the values given for the number of hits (4, 12, 14, 27, 47)
Answer:
This is a function
Step-by-step explanation:
If we can draw a vertical line through the graph and make contact with the graphed line at only one point then it is a function.
Answer: B. Controlled experiment
Step-by-step explanation:
This is a controlled experiment because the variables in the question are manipulated by the researcher. We are told that while one group watches television before going to sleep, the other group does not.
The controllers won't have control over the variables that were used if it was an observational study while for a survey, it has to do with collection of information regarding certain topics or happenings in order to have people's perception on the topic or area of interest.
