Question

F(x)= (x+2)2

f(x)=a (x-h)2+k
find : vertex, domain,range,axis of symetery , up/down, min/max , graph

Answer 1

f(x) = (x + 2)² ⇒ f(x) = (x - (-2))² + 0 ⇒ h = -2 , k = 0

vertex: (-2, 0)

domain: R

range: <0, ∞)

axis of symetery: x = -2

up {a=1>0}

min: f(-2) = 0

graph: {f(0)=4}