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Math Help - Functions

  1. #1
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    Exclamation Functions

    Suppose a function f is defined as follows: You start with a real number x and add 3. Then you square the resulting number. Finally you multiply the resulting number by 4. Which of the following formulas represents f(x)?

    a. f(x) = 4(x2 + 3)
    b. f(x) = 4x2 + 3
    c. f(x) = (4x + 3)2
    d. f(x) = 4(x + 3)2
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by amathgizzard View Post
    Suppose a function f is defined as follows:
    ok, the defintion's coming up, lets do what it says.

    You start with a real number x
    ok.

    x

    and add 3.
    okie dokie

    x + 3

    Then you square the resulting number.
    hmm, sounds crazy, but lets run with it

    (x + 3)^2

    Finally you multiply the resulting number by 4.
    ok, you're the boss

    4(x + 3)^2
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  3. #3
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    THANKS NEWYORK~~~~
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  4. #4
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by amathgizzard View Post
    THANKS NEWYORK~~~~
    Thank Jamaica, that's where I'm from

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