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creighton

  • 3 years ago

Need help on a Algebra 2 Honors Question!

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  1. creighton
    • 3 years ago
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    4.f(x)= -1 if x ≤ -6 5 if -6 < x ≤ -2 2x + 9 if x > -2 (1 Point)

  2. creighton
    • 3 years ago
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    I also have part of a table filled out

  3. creighton
    • 3 years ago
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  4. creighton
    • 3 years ago
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    I just don't understand what I am supposed to do for the first 4 columns.

  5. latremese40
    • 3 years ago
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    if i was good at this ill help but me im not that good

  6. creighton
    • 3 years ago
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    I just know about the las column never did any like the first two. I could post other I have already done.

  7. creighton
    • 3 years ago
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    would that help you help me

  8. latremese40
    • 3 years ago
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    like what r u suppose to do?

  9. creighton
    • 3 years ago
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    plug in numbers for coordinates and graph it.

  10. creighton
    • 3 years ago
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    Example fx=2x+9 if x > -2

  11. creighton
    • 3 years ago
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    Next you would chose a value for x that is greater than -2 which is 0

  12. latremese40
    • 3 years ago
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    oh i have no idea but i can ask my bro to help u

  13. creighton
    • 3 years ago
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    so now its 2(0)+9 which gives us 9 if we solve it and that is our y value

  14. latremese40
    • 3 years ago
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    ok...

  15. creighton
    • 3 years ago
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    giving us the coordinates for a point at (0,9) if we do a few more we get a graph for two of the columns

  16. creighton
    • 3 years ago
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    I just don't now what to do if there is no x value for the equation.

  17. latremese40
    • 3 years ago
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    yeahh im confused on the same thin ur talkin bout o dont get it either

  18. Blacksteel
    • 3 years ago
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    This function works just like any other in the other two sections. For -6 < x < -2, the function is just y = 5, so for any x value in that range you'll get 5 as your result. Similarly, for any x < -6, y = 1.

  19. creighton
    • 3 years ago
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    so any number would be -1 for the first two columns

  20. Blacksteel
    • 3 years ago
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    For the first two columns, you'll want to use different x values, but the y value will always be -1. So for example, the first two columns might look like: \[\left[ -6 | -1 \right]\]\[\left[ -7 | -1 \right]\]\[\left[ -8 | -1 \right]\]

  21. creighton
    • 3 years ago
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    and the graph would be a horizontal line on y=-1 right

  22. Blacksteel
    • 3 years ago
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    Yes.

  23. creighton
    • 3 years ago
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    thanks a lot I relly needed help understanding this and this is the only question that did those with nothing in the lesson that talked about it. Thanks again

  24. Blacksteel
    • 3 years ago
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    No problem, feel free to message me if you have any other questions.

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