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26 December, 00:49

Find the inverse of the function f (x) = 2/5x+10

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Answers (2)
  1. 26 December, 01:30
    0
    Answer: y=5/2x25 Step-by-step explanation: First you need to switch f (x) to y - -> y=2/5x+10 Next you swap the x's and y's - -> x=2/5y+10 Then you solve for y - -> x-10=2/5y 5x-50=2y 5/2x-25=y
  2. 26 December, 01:30
    0
    Step-by-step explanation:

    f (x) = 2/5x+10

    let y = f (x)

    y=2/5x+10 calculate : x

    2/5 x = y - 10

    2x = 5 (y-10)

    x = 5/2 (y-10)

    x = 5/2y - 25

    the inverse of the function f (x) = 2/5x+10 is : g (x) = 5/2x - 25
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