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    towls13's Avatar
    towls13 Posts: 1, Reputation: 1
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    #1

    Dec 7, 2011, 11:53 AM
    how do you find indicated values within a function?
    given the following functions, find the indicated values.
    f(x)=2- 3x
    a)f (-8)
    b)f(0)
    c)f(2)
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Dec 7, 2011, 03:17 PM
    The way a function works is it is defined with a variable (usually shown as 'x', but not always), that can take on different values. To find the value of the function for a given value of 'x' you simply replace the 'x' in the equation with the value. For example: given

    f(x) = 2 - 3x

    then for x = 1 you would get:

    f(1) = 2 - 3(1) = -1.

    Use this same process to find f(-8), f(0), and f(2).
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