lexilove262
12.03.2020 •
Mathematics
Find the inverse of the following equation with steps:
f(x) = (x-7)/x
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Ответ:
f(x) = (x - 7) / x
Replace x with ywhere y is the inverse
f(x) = x
x = (y - 7) / y
xy = y - 7
xy - y = -7
y(x - 1) = -7
y = -7 / (x - 1)
inverse of f(x) = -7/(x - 1)
Ответ:
D ; The value of the digit in the ten thousand place is 1/10 the value of the digit in the hundreds place.