Find 
by using logarithmic differentiation.y = 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The optimal angle of elevation ? that a shot-putter should aim for in order to throw the greatest distance depends on the velocity v of the throw and the initial height h of the shot. One model for ? that achieves this maximum distance is ? = sin-1
. Suppose a shot-putter can consistently release the steel ball with velocity of 49 feet per second from an initial height h of 5.1 feet. What angle, to the nearest degree, will maximize the distance?
A. 47° B. 43° C. 70° D. 74°
Shade the solution set in the xy-plane.x2 + (y + 3)2 ? 16
A. 
B. 
C. 
D. 
Solve the problem.Sue took her collection of nickels and dimes to deposit in the bank. She has five fewer nickels than dimes. Her total deposit was $33.80. How many dimes did she deposit?
A. 232 dimes B. 449 dimes C. 222 dimes D. 227 dimes
Without solving, determine the character of the solutions of the equation.x2 + 3x - 4 = 0
A. two complex solutions that are conjugates of each other B. a repeated real solution C. two unequal real solutions