Use the figure to find the specified vector.Find -a.
A. 
B. 
C. 
D. 
Answer: D
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. 
local maximum; 
saddle point; 
saddle point; 
local minimum; 
local minimum
B. 
local maximum; 
local minimum
C. 
local maximum; 
local minimum; 
local minimum; 
local minimum; 
local minimum
D. 
local maximum; 
saddle point; 
saddle point; 
saddle point; 
local minimum; 
local minimum; 
saddle point; 
local minimum; 
local minimum
Provide an appropriate response.Are both 2 and 
natural numbers, integers, or irrational numbers?
A. Irrational numbers B. Integers C. Natural numbers D. None of the above
Write a general formula to describe the variation.The surface area S of a right circular cone varies directly as the radius r times the square root of the sum of the squares of the base radius r and the height h. The constant of proportionality is ?.
A. S = ?r
B. S = ?r
C. S = ?r
D. S = ?
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.9x2 + 12x + 4 = 0
A. one rational solution B. two nonreal complex solutions C. two irrational solutions D. two rational solutions