Given a function F: RR defined by f(x) = 4x+1
find its inverse.
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Answer:
(x-1)÷4
Step-by-step explanation:
f(x)=4x+1=y
→f ⁻¹(y) = x
again, y=4x+1
►4x=y-1
►x=(y-1)÷4
►f ⁻¹(y)=(y-1)÷4
►f ⁻¹(x)=(x-1)÷4
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