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21 March, 21:35

For each function f, find f^-1 and the domain and range of f and f^-1. f (x) = 3x+4

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Answers (1)
  1. 21 March, 21:41
    0
    For x = 0

    f

    (

    0

    )

    =

    [

    (

    3

    *

    0

    )

    -

    4

    ]

    f

    (

    0

    )

    =

    [

    0

    -

    4

    ]

    f

    (

    0

    )

    =

    -

    4

    For x = 1

    f

    (

    1

    )

    =

    [

    (

    3

    *

    1

    )

    -

    4

    ]

    f

    (

    1

    )

    =

    [

    1

    -

    4

    ]

    f

    (

    1

    )

    =

    -

    3

    For x = 2

    f

    (

    2

    )

    =

    [

    (

    3

    *

    2

    )

    -

    4

    ]

    f

    (

    2

    )

    =

    [

    6

    -

    4

    ]

    f

    (

    2

    )

    =

    2

    For x = 3

    f

    (

    3

    )

    =

    [

    (

    3

    *

    3

    )

    -

    4

    ]

    f

    (

    3

    )

    =

    [

    9

    -

    4

    ]

    f

    (

    3

    )

    =

    5

    Therefore, the Range is:

    {

    -

    4

    ,

    -

    3

    ,

    2

    ,

    5

    }

    explanation:To find the range, substitute each value of the domain into the formula and calculate the result [can i have brainliest?]
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