Question

Need help with this for pre calc to get my grade up.

Answer 1

see explanation

Explanation:

For a relation to be a function , then each value of x must map to exactly one unique value of y

In the table given , x = 5 has 2 values of y, that is y = 8 and y = 5

Then the table does not represent a function

Answer 2

Explanation:

NO. because 5 has 2 images: 8 and 4..