What is the inverse function of x➡️7x?

👨🏻‍🏫 學術台數學

[匿名]

2017-01-31 1:37 am

回答 (3)

wanszeto

2017-01-31 1:40 am

The inverse function is x ➡️ x/7

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Como

2017-01-31 3:18 am

Let
y = f(x) = 7x and g (y) = x
g is inverse of f

7x = y
x = y/7
g (y) = y/7
g (x) = x/7___inverse function

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Puzzling

2017-01-31 3:12 am

To find the inverse function, first reverse it:
7x --> x

Now you want to only have x on the left side, so divide both sides by 7:
x --> x/7

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