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samuelerlikhman
13.10.2019 •
Mathematics
18. find the inverse of {(4, -1), (3, -2), (6, 9), (8, 5)}.
f. {(8, 5), (6, 9), (3, -2), (4, -1)}
h. {(-1, 4), (-2, 3), (9, 6), (5, 8)}
g. {(-4, 1), (-3, 2), (-6, -9), (-8, -5)}
j. {(-1, -2), (9, 5), (4, 3), (6, 8)} 19.
19.
if f (x) = 3x - 4, find f -1 (x).
a f -1 (x) = 4x - 3 b f -1 (x) = − x + 4 3 c f -1 (x) = − x - 4 3
d f -1 (x) = -4 - 3x 20. if f (x) = 8(5x - 2), find f -1 (x).
f f -1 (x) = − 5x + 2 8 g f -1 (x) = − 5x - 2 8 h f -1 (x) = − x - 16 40
j f -1 (x) = −
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Ответ:
So 18 is H
...
If f(x)=y=3x-4, to find the inverse function, solve for x, and then reverse the labels as seen below...
y=3x-4
y+4=3x
(y+4)/3=x so the inverse function is:
y=(x+4)/3
Ответ:
86ctct6d8sr6isr6su875rcru68x4es,4ae5u4s68,teue5ua