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kadence428
14.11.2021 •
Mathematics
If f(x) =3x-2 find f-1(x)
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Ответ:
1
Step-by-step explanation:
f(-1)= -3(-1) -2
f-1)=1
Ответ:
y -G = -1/3 ( x- F)
Step-by-step explanation:
The line on the plane has a slope
m = (y2-y1) /(x2-x1)
(0,-2) and (1,1)
= (1- -2)/( 1-0)
= (1+2)/(1-0)
= 3/1
Perpendicular lines have slopes that multiply to -1
m * 3 = -1
Divide by 3
m = -1/3
The perpendicular line has a slope of -1
The point slope equation is
y - y1 = m(x-x1)
y -G = -1/3 ( x- F)