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19 April, 16:04

Find the inverse of f (x) = 25x2 - 3

f-1 =

Select one:

a. ±√ (x + 3) / 5

b. 3√ (5x - 3)

c. ±9√ (x + 3)

d. x^2 + 5

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Answers (1)
  1. 19 April, 16:06
    0
    Let y = 25x^2 - 3

    25x^2 = y + 3

    x^2 = (y + 3) / 25

    x = sqrt (y + 3) / 5

    f-1x = sqrt (x + 3) / 5

    Its a
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