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nuclearfire278
10.06.2021 •
Mathematics
F (x) = (3x - 2). find f^-1f (10)
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Ответ:
f-¹f(10)=10
Solution given:
f(x)=3x-2
let
y=3x-2
interchanging role of x and y
x=3y-2
y=![\frac{x+2}{3}](/tpl/images/1369/7518/39d23.png)
so
f-¹(x)=![\frac{x+2}{3}](/tpl/images/1369/7518/39d23.png)
now
f(10)=3*10-2=28
now
f-¹f(10)=f-¹(28)=
=10
Ответ:
You use pemdas so radius squared equals 9, 9 times 3.14 equals 28.26, 15/3 = 5 so 5 times 28.26