Question

ajutorrrrr am nevoie ​

Answer 1

$\it a)\ \ \ A(3,\ \ 0)\\ \\ b)\ \ \ B(0,\ -4)\\ \\c)\ \ Zeroul\ func\c{\it t}iei \ se\ ob\c{\it t}ine\ pentru\ x=3\\ \\ d)\ \ AB =5,\ deoarece\ \Delta OAB-\ pitagoreic$