If you horizontally stretch the quadratic parent function f(x)=x^2 by a factor of 3

The new function is (x/3)^2.

Step-by-step explanation:

If f(x) is  horizontally stretched by a factor a  the function is f(x/a).

So  for  f(x) = x^2  it becomes (x/3)^2.

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

1. 3.4/4

2. 0.8/7

3. 0.5 x 3

4. 0.9 x 6

5. 10.8

6. 2.35

7. 0.567

8. 9.35

9. 0.02

10. 0.06

11. 0.16

12. 0.42

13. 0.63

14. 5.6

15. 8.1

16. 9.9

17. 0.28

18. 0.48

19. 0.27

20. 0.49

21. 0.45

22. 0.72

23. 0.9

24. 0.88

25. 0.75

26. 0.16

27. 0.328

28. 0.495

29. 0.72

30. 1.068