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anonymous

  • 4 years ago

make a table of values and a hand drawn graph for the function y= 1.5^(x)

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  1. anonymous
    • 4 years ago
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    y(x)=1.5^x Y(-2)=1.5^(-2) ...(-2,0.444) Y(-1)=1.5^(-1) ...(-1,0.666) Y(0)=1.5^(-0) ...(0,1) Y(1)=1.5^(1) ...(1,1.5) Y(2)=1.5^(2) ...(2,2.25) and so on

  2. anonymous
    • 4 years ago
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    i dont get how u did that

  3. anonymous
    • 4 years ago
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    we chose a few numbers of our own choice (these are -2,-1,0,1,2) and substitute into the given equation we have (replacing x)

  4. anonymous
    • 4 years ago
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    x is an exponent tho

  5. anonymous
    • 4 years ago
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    yes, no problem, we replaced x with a specific number to evaluate the function value at that number

  6. anonymous
    • 4 years ago
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    how do you make a table of values thouhh

  7. anonymous
    • 4 years ago
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    |dw:1327956510783:dw|

  8. anonymous
    • 4 years ago
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    u should then draw it by hand, and have a curve similar to this one

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  9. anonymous
    • 4 years ago
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    thank you but like how did you come up with that table ? like what are the steps? i dont get it

  10. anonymous
    • 4 years ago
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    and how do you know when to stop?

  11. anonymous
    • 4 years ago
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    ??

  12. anonymous
    • 4 years ago
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    i just choose a few points, u can choose 3, 5, 10,1000000, it depends on u and the time u have

  13. anonymous
    • 4 years ago
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    and what do you do with these points lol?

  14. anonymous
    • 4 years ago
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    we replace each point we have select with x, and calculate the value we have, then we arrange all of these points into a table, just like the one above

  15. anonymous
    • 4 years ago
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    how do you calculate the values though?? like i dont get it

  16. anonymous
    • 4 years ago
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    ok sarah, lets work slowly, step by step, first, we have this function (mathematical relation) between two variables x and y, x can take any valye, while y is governed by 1.5^x, ok?

  17. anonymous
    • 4 years ago
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    ok got it

  18. anonymous
    • 4 years ago
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    good, now, since x can take any value, i want u to select a few values for x, can u?

  19. anonymous
    • 4 years ago
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    uhm how many?

  20. anonymous
    • 4 years ago
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    it's up to u, as many as u like

  21. anonymous
    • 4 years ago
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    uhhh ok. 3 2 1 0 -1 -2 -3

  22. anonymous
    • 4 years ago
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    excellent work sarah, now we'll take each one and put it instead of x, i'll do the first 3 numbers, -3, -2, -1: 1.5^-3=1/(1.5^3)=1/(1.5*1.5*1.5)=0.296 1.5^-2=1/(1.5^2)=1/(1.5*1.5)=0.444 1.5^-1=1/(1.5^1)=1/(1.5)=0.666 can u do any other number by urself??

  23. anonymous
    • 4 years ago
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    i dony get how you did that. and all those symbols r confusin. :(

  24. anonymous
    • 4 years ago
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    don't worry, what step is confusing u??

  25. anonymous
    • 4 years ago
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    all the symbols like i dont get what your doing

  26. anonymous
    • 4 years ago
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    how about i explain this one, ok? 1.5^-3=1/(1.5^3)=1/(1.5*1.5*1.5)=0.296

  27. anonymous
    • 4 years ago
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    can u write it on the equation thingy so i can acutually seee what your doing?

  28. anonymous
    • 4 years ago
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    \[1.5^{-3}\]

  29. anonymous
    • 4 years ago
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    whats the rest ? lol

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