Hunter wants to prove to his parents that playing computer games while he studies for tests will him get better grades. he decides to ask 30 of his friends if they play computer games while they study for their tests and what their grades are. he finds that his friends who have high grades also play computer games while they do their homework. he tells his parents that he has proven that playing games while studying for tests will cause his grades to improve. what mistake has hunter made?

Correlation does not imply causation

Step-by-step explanation:

The fact that some students played computer games while studied and got high grades doesn't mean that the two variables are related because there is no cause-effect relationship between them.

One option is they got high grades because they are intelligent and don't need too much effort to pass the exam.

we need the options

step-by-step explanation:

the answer is the option b

the range is all real numbers

step-by-step explanation:

we know that

the absolute value parent function is equal to

see the attached figure to better understand the problem

so

a. it is v-shaped > is true

b. the range is all real numbers > is not true

because the range is the > [0,∞)

all real numbers greater than or equal to zero

c. it goes through the origin > is true

d. the domain is all real numbers > is true

step-by-step explanation: