Assume f(x)=-x+8 and g(x)=8x+7. What is (f-g)(-4)

37

Step-by-step explanation:

(f - g)(x)  is the same as  

f(x) - g(x)

f(-4) - g(-4)

{ -(-4) + 8 }    -  { 8(-4) + 7 }

4 + 8 - { -32 + 7}

12 - ( -25 )

12 + 25

37

BTW, you can add, subtract, multiply and divide functions

(f - g)(x) = f(x) - g(x)

(f + g)(x) = f(x) + g(x)

(f * g)(x) = f(x) * g(x)

(f/g)(x) = f(x) ÷ g(x), as long as g(x) ≠ 0 (That would be undefined.)

Hope this is  :)

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step-by-step explanation:

6. 104

7. 52/37

8. 2704

9. 140608

10. -52

11. |52|=52

12. 1/52

13. 156

14. 26

15. 40

16. 37

17. -364

18. 53 1/3

19. 50.96

20. 43 2/3

21. 78

22. 50.75

23. 47.63

24. 163.28

25. 10400

26. 338

27. 208

28. 2704 square inches

29. 312 square meters

30. don't know what its asking, tell me so i can tell you

31. 8490.56

32. 52 degrees would be an acute angle

33. 128 degrees

34. 20.8

35. 39

36. 208