Solve the problem.The range R of a projectile is related to the initial velocity v and projection angle ? by the equation 
where g is a constant. How is 
related to 
and 
if neither v nor ? is constant?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
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Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 19 B. x = 9.5 C. x = 0.03 D. x = 38
Find a quadratic function expressed in vertex form that models the data in the given table.
A. y = 2(x + 2003)2 + 5 B. y = 3(x + 2003)2 + 5 C. y = 3(x - 2003)2 + 5 D. y = 2(x - 2003)2 + 5
Answer the question.If (a,b) is a critical point in the interior of the domain of f(x,y) and if 
then f has a local minimum at (a,b) if(i) H > 0 and fxx(a,b) > 0.(ii) H > 0 and fxx(a,b) < 0.(iii) H < 0.
A. Only (iii) is correct. B. (i), (ii), and (iii) are all incorrect. C. Only (i) is correct. D. Only (ii) is correct.
Solve. Remember to insert units when writing your answer.The two sticks used to make a kite have lengths of 1.1 m and 57 cm. What total length of wood must be ordered for the sticks if 10 kites are to be built?
A. 1.67 m B. 16.7 m C. 5711 m D. 58.1 m