Question

Which of the following represents a function?
A. X 1 2 3 4 5
Y 1 1 1 1 1

B. X -2 -1 0 -1 -2
Y 2 3 4 5 6

C. X 1 2 1 2 1
Y 0 1 2 3 4

D. 1 1 0 2 2
1 2 3 4 5

Answer 1

i will give out metals!

Answer 2

please help

Answer 3

It's A, since in a function, the X value cannot be repeated more than once, but the Y value can.

Answer 4

thanks your a life saver! you deserve a metal!

Answer 5

No problem! :)

Answer 6

can you answer this:
What is the domain of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}?


A.
{6, 8}


B.
{1, 2, 3, 4}


C.
{2, 4, 6, 8}


D.
{1, 2, 3, 4, 6, 8}

Answer 7

And thanks for the medal!

Answer 8

np!