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anonymous

  • one year ago

MEDAL AND FAN PROMISED!!! PLZ HELP!!!

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  1. anonymous
    • one year ago
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    f(x) = 2(3)x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3

  2. anonymous
    • one year ago
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    can you help me find the rate of change @kiamousekia

  3. idku
    • one year ago
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    \(\large\color{black}{f(x)=2(3)^x}\) Like this?

  4. anonymous
    • one year ago
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    yes

  5. anonymous
    • one year ago
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    \i need to find the rage of change

  6. anonymous
    • one year ago
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    with that formula

  7. anonymous
    • one year ago
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    @kiamousekia can u help me plz

  8. idku
    • one year ago
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    How would you normally find the slope between the slope between points \(\large\color{black}{(a,b)}\) and \(\large\color{black}{(c,d)}\) ? \(\large\color{black}{m=\dfrac{b-d}{a-c}}\)

  9. idku
    • one year ago
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    For section A, you need to find f(0) and f(1), and then the slope between (0,f(0)) and (1,f(1)).

  10. anonymous
    • one year ago
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    well i need 2 Find the average rate of change of each section.

  11. anonymous
    • one year ago
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    so ik that formula

  12. anonymous
    • one year ago
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    but i need help doing it

  13. idku
    • one year ago
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    ok, and tell me what is f(0)=? and f(1)=?

  14. anonymous
    • one year ago
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    (0,1)?

  15. idku
    • one year ago
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    \(\large\color{black}{f(x)=2(3)^x}\) \(\large\color{black}{f(0)=2(3)^0=?}\) \(\large\color{black}{f(1)=2(3)^1=?}\)

  16. idku
    • one year ago
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    (anything raised to power 0, is 1)

  17. anonymous
    • one year ago
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    so i need 2 answer that equasion

  18. anonymous
    • one year ago
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    Idk sorry

  19. idku
    • one year ago
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    yes, you need to answer my 2 last questions (those are your y-values of the 2 points, respectively) and then use the slope formula

  20. anonymous
    • one year ago
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    f(x) = 2(3)x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3 this is what im asking tho i need to find them sepretly

  21. idku
    • one year ago
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    I know.

  22. idku
    • one year ago
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    You have to know the y-coordinates of the 2 points to find the slope, don't you?

  23. anonymous
    • one year ago
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    ok ok i got it now

  24. idku
    • one year ago
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    What is the y-coordinate when x=0? What is the y-coordinate when x=1?

  25. idku
    • one year ago
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    (recall that your function is \(\large\color{black}{f(x)=2(3)^x}\) )

  26. idku
    • one year ago
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    plug in 0 for x, and then plug in 1 for x.

  27. anonymous
    • one year ago
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    so its 6 and there are no soulutions 2 the first 1

  28. idku
    • one year ago
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    \(\large\color{black}{f(x)=2(3)^x}\) \(\large\color{black}{f(0)=2(3)^0=2\cdot1=2}\) So the y-coordinate when x=0, is y=2

  29. idku
    • one year ago
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    Can you find the y-value when x=1? (do it same way I have done it)

  30. anonymous
    • one year ago
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    im so confused

  31. idku
    • one year ago
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    and im so sorry

  32. anonymous
    • one year ago
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    @Preetha @perl can you plz help

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