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anonymous

  • one year ago

Evaluate the function f(x) = 3x – 2, when x = -1. A. -9 B. -5 C. 1 D. 5 Please Help Me

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  1. Defiance
    • one year ago
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    Okay, so we know x = -1

  2. Defiance
    • one year ago
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    Rewright it. 3(-1) - 2 =

  3. anonymous
    • one year ago
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    F(x)=3(-1)-2

  4. Defiance
    • one year ago
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    Order of operation multiplication comes first

  5. Defiance
    • one year ago
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    3 times -1 = -3

  6. Defiance
    • one year ago
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    Now subtract 2

  7. anonymous
    • one year ago
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    -3-2=-5

  8. Defiance
    • one year ago
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    You get -5

  9. anonymous
    • one year ago
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    Thank you :) can you help me with a a few more?

  10. Defiance
    • one year ago
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    Sure. If you'd like.

  11. anonymous
    • one year ago
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    Evaluate the function g(t) = 3/4t ,when t = 40 A.10 B.15 C.25 D.30

  12. Defiance
    • one year ago
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    3/4th of 40... Is 30. Cause 1/4 of 40 is 10 10 x 3 = 30

  13. Defiance
    • one year ago
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    Answer is 30.

  14. anonymous
    • one year ago
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    ok :) Evaluate the function H(x) = 16 –x, when x = -4. A.64 B.20 C.12 D-64

  15. anonymous
    • one year ago
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    I got 20

  16. Defiance
    • one year ago
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    Since x = -4 Re-wright as 16 -(-4) 16 -(-4) 12

  17. Defiance
    • one year ago
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    If it was multiplaction, yes it was 20. But it's subtraction

  18. anonymous
    • one year ago
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    Yes I also got 12 ;) two more then thats it :) thankk you btw

  19. Defiance
    • one year ago
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    You're subtracting "-4" from 16.

  20. Defiance
    • one year ago
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    Alright.

  21. Defiance
    • one year ago
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    Alright, I stand correct on the 12. It is 20.

  22. anonymous
    • one year ago
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    Find k(3 for the function k(n) = 3n^2 A.36 B.24 C.10 D.49 :0

  23. Defiance
    • one year ago
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    After I thought of it.

  24. anonymous
    • one year ago
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    OH ahaha okie

  25. Defiance
    • one year ago
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    Cause, two -'s make a +

  26. anonymous
    • one year ago
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    So i"m correct then

  27. anonymous
    • one year ago
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    xD

  28. anonymous
    • one year ago
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    Find k(3 for the function k(n) = 3n^2 A.36 B.24 C.10 D.49 :)

  29. Defiance
    • one year ago
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    Not sure. Maybe thanksten can help?

  30. Defiance
    • one year ago
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    xD.

  31. anonymous
    • one year ago
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    Ok Thanksten :D

  32. anonymous
    • one year ago
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    haha

  33. anonymous
    • one year ago
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    ok well here is the last one :) Find w(4) for the function w(x) = 3x + 7 A.41 B.19 C.14 D.33

  34. anonymous
    • one year ago
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    I got 19

  35. Defiance
    • one year ago
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    Alright, I figured it out. The funtion is w(4) x = 4. 3 x 4 = 12 12 + 7 = 19

  36. anonymous
    • one year ago
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    ok :)

  37. Defiance
    • one year ago
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    I'm working on the other. but I got 27.. xD

  38. anonymous
    • one year ago
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    xD haha ok

  39. misty1212
    • one year ago
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    HI!!

  40. Defiance
    • one year ago
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    Hello, misty.

  41. anonymous
    • one year ago
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    hi Misty :)

  42. misty1212
    • one year ago
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    it is "find \(k(3)\) for the function \(k(n)=3n^2\)?

  43. misty1212
    • one year ago
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    i mean is that the one you are unsure of?

  44. Defiance
    • one year ago
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    Yes, thats her problem.

  45. misty1212
    • one year ago
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    ok then \[\large k(3)=3\times 3^2=27\] is correct

  46. anonymous
    • one year ago
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    27 is not a choice on there

  47. Defiance
    • one year ago
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    n = 3 So, 3 to the power 2 = 9 3 times 9 = 27...

  48. misty1212
    • one year ago
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    ok maybe there is a typo in the question?

  49. Defiance
    • one year ago
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    Ask your instructor.

  50. Defiance
    • one year ago
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    Indeed.

  51. anonymous
    • one year ago
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    ok THANK YOU ALL SOO MUCH ;)

  52. Defiance
    • one year ago
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    Yw ;)

  53. anonymous
    • one year ago
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    Yh I also got 27

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