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shilpav
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    Answer: y = ± [ √(x+4) ] / 3

    Solution:

    1) To find the inverse of the function y = 9x2 – 4, exchange the variables x and y, and then solve for the new y.

    2) Exchange of the variables: y = 9x2 – 4 → x = 9y2 – 4

    3) Solve for y:
    => 9y2 = x + 4
    => y2 = [x + 4] / 9
    => y = ± [ √(x + 4) ] / 3

    • This reply was modified 2 years, 10 months ago by ProtonsTalk.
    • This reply was modified 2 years, 10 months ago by ProtonsTalk.
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