Find fx(x, y).f(x, y) = 
3
A. 
3(x4 + 3x2y2 + 2y4)(x2 + y2)
B. 
C. 3
2 
D. 3
2 
Answer: C
Mathematics
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Graph the polar equation.r = 5 cos 6?
A. 
B. 
C. 
D. 
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Evaluate the integral.
A. 
B. 
C. 1
D. Diverges
Mathematics
Graph the function.y = sec (3x)
A. 
B. 
C. 
D. 
Mathematics
Solve the application. Write an expression to describe the situation and simplify the expression for the final answer.The temperature at the South pole was -9° at 8 am. At 3 pm, it was 32°. By how many degrees did the temperature rise?
A. -9 - (32) = 41; The temperature dropped 41 degrees. B. -9 - (32) = -41; The temperature dropped -41 degrees. C. -9 - (32) = 23; The temperature dropped 23 degrees. D. -9 - (32) = -23; The temperature dropped -23 degrees.
Mathematics