Question

Select all of the following that are ordered pairs of the given function.

ƒ(x) = 3 - 2x

(-2, -1)
(-1, 5)
(0, 3)
(1, 0)
(2, -1)

Answer 1

Plug each ordered pair into the function and see which ones deem true :)

Answer 2

substitute the values and check each pair

Answer 3

That means 0, 3 and 2, -1 are correct. There's something still missing though. I've done this twice and I still can't figure it out.

Answer 4

and also (-1, 5)

Answer 5

because 3-(-2) is 5

Answer 6

Oh! I must have done the math wrong both times then. Thank you.

Answer 7

No problem!