Answer:
Step-by-step explanation:
As long as you don't see the same x value giving different y values, it'll be a function.
D is the answer
(4+8)+1 = 13
4+(8+1) = 13
Therefore equation D is true
A shape that has four corners and four sides like a square, rectangle, or dimond
Pemdas, ok first 17 plus 8 is 15, 6 times 2 is 12 , so 15 minus 12 is 3. answer is 3
