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LoveWhy
a fost răspuns

URGENT!


f:R--> f(x)=x-3
1) (a;-4)
2)(a,- [tex] \frac{7}{2} [/tex]   )

Răspuns :

1) f(a)=a-3 |
f(a)= -4. | => a-3=-4 => a =1
2). f(a)=a-3
f(a)= -7/2

a-3= -7/2 => a= -1/2
Danamocanu71
f:R→R
f(x)=x-3
a. A(a;-4)∈Gf ⇔
f(a)=-4
f(a)=a-3 ⇒a-3=-4⇒a=-1;
b. B(a;-7/2)∈Gf ⇔
f(a)=-7/2
f(a)=a-3 ⇒a-3=-7/2⇒a=-1/2;

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