Answer:
(b) It is symmetrical about 
Step-by-step explanation:
Given

See attachment for options
Required
True statement about the graph
First, we check the line of symmetric

Expand

Open bracket


A quadratic equation
has the following line of symmetry

By comparison, the equation becomes:



Hence, the line of symmetry is at: 
(b) is true.
Answer:
The median is NOT the same thing as a quartile.
The median is a measure of center.
Answer:
f(4) = 8
f(6) = 10
Step-by-step explanation:
Step 1: Define
f(x) = x + 4
f(4) is x = 4
f(x) = 10
Step 2: Find f(4)
f(4) = 4 + 4
f(4) = 8
Step 3: Find f(x) = 10
10 = x + 4
x = 6
.3 + .06 + .008 = 0.386
Hope I Helped:P