Is the sequence {1, 2, 4, 8, 16,…} a function? explain. yes, because each input is a natural number with a multiple output numbers in the sequence. no, because there are no input values paired with a single output number in the sequence. no, because there are multiple input values paired with a single output number in the sequence. yes, because each input is a natural number with a single output number in the sequence.

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter

Find the value of x for which line a is parallel to line b