Which of the following statements are true regarding functions?

Check all that Apply.

A. A series is a function whose domain is the set of real numbers.
B. The vertical line test may be used to determine whether a function is one to one.
C. A function is a relation in which each value of the input variable is paired with exactly one value of the outside value.
D. The horizontal line test may be used to determine whether a function is a one to one

Question

Which of the following statements are true regarding functions?

Check all that Apply.

A. A series is a function whose domain is the set of real numbers.
B. The vertical line test may be used to determine whether a function is one to one.
C. A function is a relation in which each value of the input variable is paired with exactly one value of the outside value.
D. The horizontal line test may be used to determine whether a function is a one to one

jigglypuff314 · Answer

a function is a relation
that can be tested using the vertical line test.
is paired a unique input value per output value.

anonymous · Answer

No others are possble?

jigglypuff314 · Answer

functions are allowed to fail the horizontal line test
and "a series" "is an infinite ordered set of terms combined together by the addition operator" >,< so no others are possible :P

anonymous · Answer

Both B and D were correct. thank you though :)

jigglypuff314 · Answer

ah right, sorry >,<