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-   -   My math functions (https://www.askmehelpdesk.com/showthread.php?t=372455)

  • Jul 6, 2009, 06:07 AM
    Mazafie
    my math functions
    f(-3)= f(t)=Square root of t^2 t 1
  • Jul 6, 2009, 06:26 AM
    Perito

    Please clarify (use parentheses to indicate what is under the radical).

  • Jul 6, 2009, 10:44 AM
    Unknown008

    As said by Perito, it's confusing what you have typed..

    I'll give you an example;

    say you have f(x) = 2x - 3

    Then, f(1) would be f(1)= 2(1) - 3 = -1

    See what I've done? I;ve replaced the 'x' by 1 everywhere. When I replace 'x' by a number or any other variable in the original function, all the 'x' are replaced by the number or the variable.

    Another one; f(y) = 2x + 5
    f(1) = 2(1) +5 = 7
    f(2) = 2(2) + 5 = 9
    f(a) = 2(a) +5 = 2a + 5

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