the function f(x) =x² 1 and g(x)=5-3x are defined on the set of real numbers ,R. i) state the domain of f–1 ,the inverse of f ii)find g–1(2).?
olaoluwaolatunde
11 Apr, 2021
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Jerrycurl12
5 years ago
f(x)=x²+1
g(x)=5-3x
ii)
f^-1
y=x²+1
y-1=x²
x=√(y-1)
g^-1
y=5-3x
3x=5-y
x=5-y/3
x=5-2/3
x=3/3
g^-1(2)=1
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