Question

Se considera functtile f: R -> R , f(x)=x+1 si g : R -> R, g(x)=f(2x-3).
a)Determinati functia g
b)Determinati coordonatele punctului de intersectie graficelor celor 2 functii

Answer 1

a)g(x)=f(2x-3)=(2x-3)+1=2x-2
b)f(x)=g(x)
x+1=2x-2
1+2=2x-x
x=3=>y=f(3)=4
Gf∩Gg=M(3,4)

Answer 2

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