Answer would be:
2x+6=12
Answer:
a) f(6)=(6)^2+4(6)+1=65
b)f (x+9)=(x+9)^2+4 (x+9)+1=(x^2+18x+81)+(4x+36)+1=x^2+22x+117
f (-x)=(-x)^2-4x+1
(-b±√(b²-4ac))/(2a)
Step-by-step explanation:
uy
$23.31
$12.95/5
=$2.59/per bag
$2.59*9
=$23.31
