Which function is the inverse of f(x) equals negative 5X -4
2 answers:
Answer:
f inverse x = -x+4/5
Step-by-step explanation:
Answer:
f^-1(x) = -1/5 x - 4/5
Step-by-step explanation:
f(x) = -5x - 4
Replace f(x) with y.
y = -5x - 4
Switch x and y.
x = -5y - 4
Solve for y.
5y = -x - 4
y = -1/5 x - 4/5
Replace y with f^-1(x).
f^-1(x) = -1/5 x - 4/5
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Answer:
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X = -4y+3
-x-4y = -3
________________
x+4y = 3
-x-4y = -3
0 = 0
Possible and determined system (single solution)
