which of the following statements are not true regarding
functions?

A. True. If it is possible to pass a single horizontal line through more than one point on the function curve, then the function is not one-to-one (it fails the horizontal line test).

B. True. Any given input must lead to exactly one output.

C. False. The vertical line test is used to determine if a relation is a function or not.

D. False. The domain of a sequence is the set of natural numbers {1, 2, 3, ...}

In summary, the answers are A and B

answer: the dogs need to shift their focus to human scent.

its because the dogs being trained are for search and rescue thus they need to be able to track humans and their specific scent