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Math Help - Pice-wise function

  1. #1
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    Pice-wise function

    so i need to sketch the following function:

    f(x) = {3-x^2 0<=x<=2.1, x belong to R they are both f(x) - one function
    f(x) = { 2x+5 2.1<=x, x belong to R

    i know hot so sketch them but don't know what to do witch my domains, so on i should mark out them on my sketch .
    Thx
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Snowboarder View Post
    so i need to sketch the following function:

    f(x) = {3-x^2 0<=x<=2.1, x belong to R they are both f(x) - one function
    f(x) = { 2x+5 2.1<=x, x belong to R

    i know hot so sketch them but don't know what to do witch my domains, so on i should mark out them on my sketch .
    Thx
    Well, graph y = 3 - x^2 for x from 0 to 2.1, then graph y = 2x + 5 for x greater than 2.1.

    -Dan
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