Can you put the question In good order so I can answer it for you
Her method will produce a valid sample.
Her method will produce a random sample.
Her method will produce a representative sample.
Answer:
option a is the answer
Step-by-step explanation:
put the value of x in each expression as x = -2
you'll see that in option a the expression becomes

which is not defined. hence -2 is excluded value
Answer:
84 :-)
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
I did the test and it is the only one that makes sense