Answer:
10
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
-5 x 2 - 8x + 1
= -5 x 2 - 8(3) + 1
= -10 - (-23)
= 13
Answer:
Not a function. See below for explanation.
Step-by-step explanation:
In order for a relation to be a function, each input must have one unique output. In this set, we see that points (1,5) and (1,4) have two different outputs with the same input. Therefore, this relation cannot be a function.