Find the partial derivative.Find fy(5, 2) when f(x, y) = yexy. Leave your answer in terms of e.
A. e10 + 2 e10
B. e10 + 10 e10
C. 10 e10
D. 2e10 + 10 e10
Answer: B
Mathematics
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Answer the question.True or False? The ordered pair (-8, -8) determines a point in quadrant III with 
-8 and 
-8.
A. False B. True
Mathematics
Divide.
A. 159 B. 169 C. 16.9 D. 15.9
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = x3 - 7x2 + x - 7
k = 7
A. ±7, i B. -7, ±i C. 7, ±i D. ±1, 7
Mathematics
Solve the problem.A projectile is fired with an initial velocity of 500 feet per second at an angle of 70° with the horizontal. To the nearest 10 feet, find the horizontal distance covered by the projectile. The parametric equations for the path of the projectile are x = (500 cos 70°)t, and 
A. 5130 ft B. 5020 ft C. 5260 ft D. 4880 ft
Mathematics