A would be 1 as b would be -4
So you add 7 every time so,
28+7=34
34+7=41
if he continues his pattern he will have done 41 sit-ups on Friday
Answer:
9. No
10. Yes
Step-by-step explanation:
The first one is not, since you have (3, 3) and (3, 9). In a function, each x maps to a single y.
The second one is since every x appears only once.