Question

28. Sa se determine functia de gradul al doilea f:R-->R, al carei grafic are abcisa varfului egala cu $\frac{7}{2}$ .

Answer 1

[tex]V(- \frac{b}{2a} ;- \frac{\triangle}{4a} )=>Pentru\ a=1=>- \frac{b}{2a}= \frac{7}{2} =>b=-7\\ f(x)=x^2-7x+c,\forall c\in R[/tex]