A mail order company charges 4.5% for shipping and handling. If the total order is 54.34 how much was the order total before shi
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Hello here is a solution :
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}
Let 
. You have 
.
Taking the derivative, you get
The linear approximation to
near 
is given by
So the value of
can be estimated as
Taking the derivative, you get
The linear approximation to
So the value of