pedrojulianhdz2005
02.07.2019 •
Mathematics
If f (x)=2x-3 find the value of f-1 (0)
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Ответ:
to find the inverse of a function
interchange x and y and solve for y
y = 2x-3
x = 2y-3
add 3 to each side
x+3 = 2y
divide by 2
(x+3)/2 =y
f^-1 (x) =(x+3)/2
f^-1 (0) =(0+3)/2
f^-1 (0) =(3)/2
Ответ:
you just subtract 78-48 to get 30