Răspuns:
Explicație pas cu pas:
A(1,2) ∈ Gf => f(1)=2 => a-2=2 => a=4
b) f(x) = 4x-2
x=0=>f(x) = -2
f(x)=0 => x=1/2
scriem aria in doua moduri
A=
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Răspuns:
Explicație pas cu pas:
A(1,2) ∈ Gf => f(1)=2 => a-2=2 => a=4
b) f(x) = 4x-2
x=0=>f(x) = -2
f(x)=0 => x=1/2
scriem aria in doua moduri
A=
A=