Which of the following statements are not true regarding functions. ? A. the horizontal line test may be used to determine whether a function is one to one.

B. a function is related in which each value of the input variable is paired with at least one variable of the output variable.

C. a sequence is a function whose domain is the set of natural numbers.

D. the vertical line test may be used to determine whether a function is one to one .

Which is a graph of a proportional relationship?

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0