Concept of Function - Quiz - Level N
Question 2
Which relationship is NOT a function?
Input
Output
the prices throughout the
year of the items in a store
T-shirt
Regular $10
Sale $7
Input
Output
the number of home runs
each baseball player hits
in one season
Input Output
Player
A 12
Player 17

Option 2 is correct.

Step-by-step explanation:

We have been give the graph of the skis

x axis represents number of weeks.

And y-axis represents kilometers.

Purple line showing ski of Jake

Ad blue line showing ski of Ralph.

Ralph was uniform during the week.

So we ca see that the Jake skiing more than Ralph.

Or Ralph is skiing less than Jake

Therefore, Option 2 is correct.