ramiewunstell
ramiewunstell
25-03-2017
Mathematics
contestada
Can someone help me please.
Respuesta :
bcalle
bcalle
25-03-2017
The answer is C
To find the inverse (f^-1),
First step is to substitute y for f(x).
Second step, switch x and y.
Third step, resolve for y=
f(x)= -4x-6
y= -4x-6
x= -4y-6
Add 6 to both sides
x + 6 = -4y
Divide both sides by -4
- (x+6)/4
f(x)= -(x+6)/4
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