Take derivative..
f'(x) = 3*2*(x+4)
f'(x) is must be equal to 0.
6*(x+4)=0
x=-4
for x=-4; what is the y value?
for x=-4; f(x)=-5
the vertex is (-4,-5)<span />
This question is based on cognitive assessment method .
Given line of letters is-
B E F B E B I E F S E E D P F E S J E E J D E D E P J E T
In the following line of letters, the letter that follows the seventh E-- B E F B E B I E F S E E D P F E S J E E J D E D E P J E T
The answer is letter E.
Answer:
Option A. 
Step-by-step explanation:
we know that
The combined area of the 3 windowpanes and frame is equal to
using a graphing tool to solve the quadratic equation
The solution is
see the attached figure
