Which of the following statements explains why the set of ordered pairs does NOT define a function?

{(3,6), (4,8), (5,10), (3,1), (6,12), (7, 10)}

A
Some ordered pairs use x and y values of different signs.

B
Some ordered pairs use the same number for both the x and y values.

C
Some ordered pairs use the same x value with different y-values.

D
Some ordered pairs use the same y value with different x values.

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Given the net of the rectangular prism, what is its surface area?

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test