Answer:
8
Step-by-step explanation:
Rationalise the denominator by multiplying both the numerator and denominator by the radical on the denominator, that is

=
→ (
)² = 8
= 
= 4× 2
= 8
Answer:
sorry can I ask a question concerning ur question
The vertex form of the function f(x) is
.
<h2>Given </h2>
Function; 
<h3>What is the vertex form of function?</h3>
The vertex of a parabola is the point at which the parabola passes through its axis of symmetry.
The standard equation which represents the vertex form of the function is;

Where h and k are vertexes of the given parabola.
The function is in vertex form;

Hence, the vertex form of the function f(x) is
.
To know more about the Vertex form lick the link given below.
brainly.com/question/9070346
Answer:
185 boxes
Step-by-step explanation:
simple multiplication/divisoin