Question

F:R->R , f(x) =3x-7

a) A(m+2 ; 2) apartine Gf
Determinati M apartine R

b) f(1-x)=5

Answer 1

Răspuns:

Explicație pas cu pas:

a) 3(m+2) -7 = 2

3m +6 = 9 ,  3m =3,   m = 1

b) f(1-x) = 3(1-x) -7 = 5

3 -3x -7 = 5,  3x = -9,   x = -3