Answer:
Step-by-step explanation:
let : f(x) =2x(x-11)
f(x) = 2x²-22x standard form when : a=2 and b= -22 and c=0
the fertex is : ( -b/2a , f(-b/2a))
-b/2a = -(-22) /4 = -11/4
calculate f(-11/4) = 2(-11/4)²-22(-11/4) =.......continu
