True
Every function is a relation, but not every relation is a function.
Hope this helps :)
The answer is: [C]:
<span>___________________________________________________________
"{(1, –1), (2, –2), (0, 0), (1, 1), (2, 2)}</span> " <span>{(1, –1), (2, –2), (0, 0), (1, 1), (2, 2)}" .
__________________________________________________________
This set of ordered pairs is NOT a function because their is one x-coordinate in this set that has multiple y-coordinates;
specifically: "(1, -1)" ; and "(1, 1)".
__________________________________________________________
All of the other answer choices given are functions.
__________________________________________________________</span>
Step-by-step explanation:
which subject it is????????....
Answer:
x = -1
y = 2
Step-by-step explanation:
y = x+3
x+2y = 3
substitute y
x+2(x+3) = 3
simplify
3x+6 = 3
subtract 6 from both sides
3x = -3
x = -1
y = -1+3 = 2