Find the coordinates of the vertex of the quadratic function.f(x) = x2 - 6x - 9
A. (3, -36)
B. (-3, 18)
C. (-6, 63)
D. (3, -18)
Answer: D
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Solve the problem.The position of a particle moving along a coordinate line is s = 
with s in meters and t in seconds. Find the particle's acceleration at 
A. - 
m/sec2
B. 
m/sec2
C. 
m/sec2
D. - 
m/sec2
Provide an appropriate response.A share of stock represents 
in a company.
A. dividends B. ownership C. debt D. earnings
Add or subtract as indicated.9 + (-3)
A. 12 B. 6 C. -12 D. -6
Solve the problem.The resistance, in ohms, of a 25 foot piece of wire is given by the function 
, where d is the diameter of the wire in inches. What happens to the resistance of the wire as the diameter of the wire decreases?
A. The resistance decreases. B. The resistance increases. C. The answer cannot be determined without additional information. D. The resistance remains constant.