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anonymous

  • 5 years ago

how would i write out this problem for which of these equations is y a function of x a. y=3x to the 3rd power b.xy=1 c.yto 2 nd power d. y to 3rd power=8x

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  1. anonymous
    • 5 years ago
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    I not sure you write, I think a) y= (3x)^3

  2. anonymous
    • 5 years ago
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    yes thats how its written but is y a function of x how do i determine that

  3. anonymous
    • 5 years ago
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    you want find x and y intercept?

  4. anonymous
    • 5 years ago
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    yeah

  5. anonymous
    • 5 years ago
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    ok: you plug x=0 find y plug y=0 find x

  6. anonymous
    • 5 years ago
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    Example: find y plug x=0 a) y= (3x)^3 y= (3*0)^3 y= 0 find x: plug y= 0 0 = (3x)^3 0 = 27(x)^3 0/27=x^3 x=0 (0,0)

  7. anonymous
    • 5 years ago
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    so is this equation y a function of x

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spraguer (Moderator)
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