3 years ago

Find a symbolic representation for f ^-1(x).

1 answer:

4 0

y = (9x) ^ (1/3)

exchange x and y then solve for y

x = (9y) ^ (1/3)

cube each side

x^3 = 9y

divide each side by 9

1/9 x^3 = y

the inverse function is 1/9 x^3

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