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Math Help - Function Notation

  1. #1
    Junior Member
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    Function Notation

    Please let me know if this is the correct way of doing this

    If f(x)=2x+1 and g(x)=3-x, find: f(x+1)
    so i insert f(x+1) into 2(x+1)+1 and i get 2x+3

    In an equation like that i don't need to worry about the g(x) cause they are not asking me to find g(x), they are only asking me to find f(x). Is this the right way?

    Thank you
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  2. #2
    Super Member Anonymous1's Avatar
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    Quote Originally Posted by nuckers View Post
    Please let me know if this is the correct way of doing this

    If f(x)=2x+1 and g(x)=3-x, find: f(x+1)
    so i insert f(x+1) into 2(x+1)+1 and i get 2x+3

    In an equation like that i don't need to worry about the g(x) cause they are not asking me to find g(x), they are only asking me to find f(x). Is this the right way?

    Thank you
    Correct.
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