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10 June, 20:12

F (x) = 7x+4 and g (x) = sqrt x+4 what is (f°g) (-3)

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Answers (1)
  1. 10 June, 22:05
    0
    -17

    Step-by-step explanation:

    Given the question two functions,

    f (x) = 7x+4

    and

    g (x) = √ (x+4)

    To find,

    (f °g) (-3)

    Step 1

    Find (f °g)

    (7x+4) (√ (x+4))

    7 (x) √ (x+4) + 4√ (x+4)

    Step 2

    Plug x = - 3

    7 (-3) √ (-3+4) + 4√ (-3+4)

    -21 + 4

    -17
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