Question

Which of the following statements are NOT true regarding functions?
(more than one answer work)

A. The horizontal line test may be used to determine whether a function is one-to-one.
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 at least one value of the output variable.
D. A sequence is a function whose domain is the set of natural numbers.

I think A is true so its not A
I think its B and....?

Answer 1

C is false. A function is a relation in which each value of the input variable is paired with *only* one value of the output variable.

Answer 2

so B and C are not true?

Answer 3

B is worded a little odd to me...but it's basically true. A vertical line test will tell you if an equation represents a function. So to be a one-to-one function it must obviously be a true function first...then it must pass the horizontal line test.

Answer 4

So A and b are true do you know if D is true or false?

Answer 5

D is true...the only one false is C.

Answer 6

ok thank u!

Answer 7

no problem, good luck :)