The relation is <em>not a function</em> if any x-value is repeated.
Assuming you have
(x, y) = (3, 10), (__, 20)
if x = 3, the relation is not a function.
The answer is add 35 and 52 and you will get 87 which was supposed to be the amount sold
What are u talking about? i don't have an performance assessment of any kind
Answer: 1.18 OR 0.18
Step-by-step explanation: